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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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How To Read A Smashed Hard Drive
Here is why you're a ****ing moron if you think smashing your hard drive is a good answer to protecting your data from someone determined enough to read it.
You're also a ****ing moron if you believe iggy is some kind a computer expert. http://www.popularmechanics.com/tech...drive-14877558 "Yes, physically destroying a hard drive renders your device and the data on it unusable. But with enough motivation and the right equipment—and the F.B.I. has both—some of your data can be recovered. Dan Kaminsky, chief scientist of security firm DKH, says 100 percent physical data destruction is nearly impossible. The only method that comes close is overwriting the disk. |
#2
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How To Read A Smashed Hard Drive
"jon_banquer" wrote in message
... Here is why you're a ****ing moron if you think smashing your hard drive is a good answer to protecting your data from someone determined enough to read it. You're also a ****ing moron if you believe iggy is some kind a computer expert. http://www.popularmechanics.com/tech...drive-14877558 "Yes, physically destroying a hard drive renders your device and the data on it unusable. But with enough motivation and the right equipment—and the F.B.I. has both—some of your data can be recovered. Dan Kaminsky, chief scientist of security firm DKH, says 100 percent physical data destruction is nearly impossible. The only method that comes close is overwriting the disk. === with acetylene. |
#3
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How To Read A Smashed Hard Drive
Jim Wilkins wrote:
"jon_banquer" wrote in message ... Here is why you're a ****ing moron if you think smashing your hard drive is a good answer to protecting your data from someone determined enough to read it. You're also a ****ing moron if you believe iggy is some kind a computer expert. http://www.popularmechanics.com/tech...drive-14877558 "Yes, physically destroying a hard drive renders your device and the data on it unusable. But with enough motivation and the right equipment-and the F.B.I. has both-some of your data can be recovered. Dan Kaminsky, chief scientist of security firm DKH, says 100 percent physical data destruction is nearly impossible. The only method that comes close is overwriting the disk. === with acetylene. An aluminum foundry will fershure wipe that data ... Sweejesus Jon , if the disc is physically destroyed the drive is unreadable . -- Snag Now Watch Jonny-boi go all orgasmic thinking that I answered his post . Kinidiot |
#4
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How To Read A Smashed Hard Drive
On 1/25/14, 7:17 PM, jon_banquer wrote:
Here is why you're a ****ing moron if you think smashing your hard drive is a good answer to protecting your data from someone determined enough to read it. You're also a ****ing moron if you believe iggy is some kind a computer expert. http://www.popularmechanics.com/tech...drive-14877558 "Yes, physically destroying a hard drive renders your device and the data on it unusable. But with enough motivation and the right equipment—and the F.B.I. has both—some of your data can be recovered. Dan Kaminsky, chief scientist of security firm DKH, says 100 percent physical data destruction is nearly impossible. The only method that comes close is overwriting the disk. Haven't really been following this thread... but hard drives can be made 100% unreadable. Some use Aluminum platters, and other glass... just disassemble, remove, and melt down the platters. I'm sure it could be done without disassembly, but would be a smoky, loathsome & messy chore. Yes, determined enough is a huge factor. And yes it takes immense amounts of motivation, time, equipment and money to recover info from a merely busted up drive... and any data recovered will not approach 100%. However, probably not much of a concern unless your someone the government or law enforcement is after. Personally, I just clamp drives in the vise, beat[1] with a hand sledge and mangle with the enormous channel-locks, being sure few if any portions of the platters remain flat... and in the trash they go. CDR's & DVD's get cut into several pieces with tin snips... documents I worry a little more about. I shred and hold till I'm around & hear the trash truck, then spread them around loose in the can... so no one will have a tidy bag containing all the pieces. Yes, they could be picked out of the truck, but loose & scattered makes the process a huge undertaking. (Incidentally, I once caught a competitor going through my trash...) Erik [1] Wear a face shield! |
#5
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How To Read A Smashed Hard Drive
Just take the disk off the drive - looks like a Doctors reflector on his
head. Use a hammer and do a dance all around Scratch it with a awl or other nasty. Put it in a fire. Melt it down. Lots of ways to take a disk apart. Overwriting it won't always erase. We used to run 10 patterns to quality a disk and afterwards we had to format the disk. Martin On 1/25/2014 10:25 PM, Terry Coombs wrote: Jim Wilkins wrote: "jon_banquer" wrote in message ... Here is why you're a ****ing moron if you think smashing your hard drive is a good answer to protecting your data from someone determined enough to read it. You're also a ****ing moron if you believe iggy is some kind a computer expert. http://www.popularmechanics.com/tech...drive-14877558 "Yes, physically destroying a hard drive renders your device and the data on it unusable. But with enough motivation and the right equipment-and the F.B.I. has both-some of your data can be recovered. Dan Kaminsky, chief scientist of security firm DKH, says 100 percent physical data destruction is nearly impossible. The only method that comes close is overwriting the disk. === with acetylene. An aluminum foundry will fershure wipe that data ... Sweejesus Jon , if the disc is physically destroyed the drive is unreadable . |
#6
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How To Read A Smashed Hard Drive
On Saturday, January 25, 2014 8:25:53 PM UTC-8, Terry Coombs wrote:
Jim Wilkins wrote: "jon_banquer" wrote in message ... Here is why you're a ****ing moron if you think smashing your hard drive is a good answer to protecting your data from someone determined enough to read it. You're also a ****ing moron if you believe iggy is some kind a computer expert. http://www.popularmechanics.com/tech...drive-14877558 "Yes, physically destroying a hard drive renders your device and the data on it unusable. But with enough motivation and the right equipment-and the F.B.I. has both-some of your data can be recovered. Dan Kaminsky, chief scientist of security firm DKH, says 100 percent physical data destruction is nearly impossible. The only method that comes close is overwriting the disk. === with acetylene. An aluminum foundry will fershure wipe that data ... Sweejesus Jon , if the disc is physically destroyed the drive is unreadable . -- Snag Now Watch Jonny-boi go all orgasmic thinking that I answered his post . Kinidiot Yet another worthless loser who claims I'm kill filed but some how finds a way to respond to what I post. Truly amazing. |
#7
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How To Read A Smashed Hard Drive
Martin Eastburn fired this volley in
: Overwriting it won't always erase. We used to run 10 patterns to quality a disk and afterwards we had to format the disk. Low-level formatting will. Always. Martin, actually, that was a silly example. There's no reason why a drive with the defective media locations already mapped would ever need formatting after a checkerboard test. Perhaps the whole reason for your 10-pattern test was to identify the defects, then to format with a new defect map.??? On some drives, rather than a stored defect map, defective sectors are 'jumped' over via a linkage table built right into the individual sector headers. Those sorts MUST be formatted in a way to reflect the bad spots on the medium. LLoyd |
#8
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How To Read A Smashed Hard Drive
jon_banquer wrote:
On Saturday, January 25, 2014 8:25:53 PM UTC-8, Terry Coombs wrote: Jim Wilkins wrote: "jon_banquer" wrote in message ... Here is why you're a ****ing moron if you think smashing your hard drive is a good answer to protecting your data from someone determined enough to read it. You're also a ****ing moron if you believe iggy is some kind a computer expert. http://www.popularmechanics.com/tech...drive-14877558 "Yes, physically destroying a hard drive renders your device and the data on it unusable. But with enough motivation and the right equipment-and the F.B.I. has both-some of your data can be recovered. Dan Kaminsky, chief scientist of security firm DKH, says 100 percent physical data destruction is nearly impossible. The only method that comes close is overwriting the disk. === with acetylene. An aluminum foundry will fershure wipe that data ... Sweejesus Jon , if the disc is physically destroyed the drive is unreadable . -- Snag Now Watch Jonny-boi go all orgasmic thinking that I answered his post . Kinidiot Yet another worthless loser who claims I'm kill filed but some how finds a way to respond to what I post. Truly amazing. Go **** yourself Jon . I had to reinstall the OS on this my desktop comp after bringing it to our new home because my son's family used it and loaded it with virii . And I wasn't responding to you but to someone that responded to you . From what I've seen you're the loser ... -- Snag |
#9
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How To Read A Smashed Hard Drive
On Sunday, January 26, 2014 5:44:23 AM UTC-8, Terry Coombs wrote:
jon_banquer wrote: On Saturday, January 25, 2014 8:25:53 PM UTC-8, Terry Coombs wrote: Jim Wilkins wrote: "jon_banquer" wrote in message ... Here is why you're a ****ing moron if you think smashing your hard drive is a good answer to protecting your data from someone determined enough to read it. You're also a ****ing moron if you believe iggy is some kind a computer expert. http://www.popularmechanics.com/tech...drive-14877558 "Yes, physically destroying a hard drive renders your device and the data on it unusable. But with enough motivation and the right equipment-and the F.B.I. has both-some of your data can be recovered. Dan Kaminsky, chief scientist of security firm DKH, says 100 percent physical data destruction is nearly impossible. The only method that comes close is overwriting the disk. === with acetylene. An aluminum foundry will fershure wipe that data ... Sweejesus Jon , if the disc is physically destroyed the drive is unreadable . -- Snag Now Watch Jonny-boi go all orgasmic thinking that I answered his post . Kinidiot Yet another worthless loser who claims I'm kill filed but some how finds a way to respond to what I post. Truly amazing. Go **** yourself Jon . I had to reinstall the OS on this my desktop comp after bringing it to our new home because my son's family used it and loaded it with virii . And I wasn't responding to you but to someone that responded to you . From what I've seen you're the loser ... -- Snag You're a phony and a liar, Coombs. You read everything I post and you constantly make excuses for doing so. I own you, bitch. |
#10
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How To Read A Smashed Hard Drive
"Lloyd E. Sponenburgh" lloydspinsidemindspring.com wrote in message
. 3.70... On some drives, rather than a stored defect map, defective sectors are 'jumped' over via a linkage table built right into the individual sector headers. Those sorts MUST be formatted in a way to reflect the bad spots on the medium. LLoyd This describes the process: http://www-947.ibm.com/support/entry...id=mcgn-3n3k7b Initially bad sectors are recorded in the P-List and skipped as the sectors are sequentially numbered. Bad sectors that appear after the sector addresses have been written go into the G-list so that a seek to them is redirected to a spare sector located elsewhere, which slows down disk access time. The operating system can also link bad sectors into a dummy file. jsw |
#11
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How To Read A Smashed Hard Drive
On 2014-01-26, Jim Wilkins wrote:
"jon_banquer" wrote in message ... Here is why you're a ****ing moron if you think smashing your hard drive is a good answer to protecting your data from someone determined enough to read it. You're also a ****ing moron if you believe iggy is some kind a computer expert. http://www.popularmechanics.com/tech...drive-14877558 "Yes, physically destroying a hard drive renders your device and the data on it unusable. But with enough motivation and the right equipment?and the F.B.I. has both?some of your data can be recovered. Dan Kaminsky, chief scientist of security firm DKH, says 100 percent physical data destruction is nearly impossible. The only method that comes close is overwriting the disk. === with acetylene. Actually, this article from Nov. 2013 says that his hard drive contents have not been recovered. http://www.huffingtonpost.com/2013/1...n_4339399.html http://www.drivesaversdatarecovery.c...ses-challenge/ i |
#12
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How To Read A Smashed Hard Drive
A non-person of no consequence wrote: You're also a ****ing moron if you believe iggy is some kind a computer expert. Actually, anyone who'd refer to deallocating buffer space after a run (rather than hoping the OS would just 'handle it') as "being a nice guy" has got to have SOME experience writing serious software in "C". Expert? I dunno. Capable, yes, or at least attentive, clearly. Lloyd |
#13
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How To Read A Smashed Hard Drive
On Sunday, January 26, 2014 6:05:39 AM UTC-8, Ignoramus15922 wrote:
On 2014-01-26, Jim Wilkins wrote: "jon_banquer" wrote in message ... Here is why you're a ****ing moron if you think smashing your hard drive is a good answer to protecting your data from someone determined enough to read it. You're also a ****ing moron if you believe iggy is some kind a computer expert. http://www.popularmechanics.com/tech...drive-14877558 "Yes, physically destroying a hard drive renders your device and the data on it unusable. But with enough motivation and the right equipment?and the F.B.I. has both?some of your data can be recovered. Dan Kaminsky, chief scientist of security firm DKH, says 100 percent physical data destruction is nearly impossible. The only method that comes close is overwriting the disk. === with acetylene. Actually, this article from Nov. 2013 says that his hard drive contents have not been recovered. http://www.huffingtonpost.com/2013/1...n_4339399.html http://www.drivesaversdatarecovery.c...ses-challenge/ i "Chris Bross is a senior engineer at Drive Savers -- a company which tries to recover data from erased or damaged hard drives. He told NBC News that in his two decades on the job, he has successfully extracted information from hard drives damaged intentionally by being hit with a hammer, shot or run over with a car." |
#14
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How To Read A Smashed Hard Drive
On Sunday, January 26, 2014 6:21:00 AM UTC-8, Lloyd E. Sponenburgh wrote:
A non-person of no consequence wrote: You're also a ****ing moron if you believe iggy is some kind a computer expert. Actually, anyone who'd refer to deallocating buffer space after a run (rather than hoping the OS would just 'handle it') as "being a nice guy" has got to have SOME experience writing serious software in "C". Expert? I dunno. Capable, yes, or at least attentive, clearly. Lloyd "A non-person of no consequence wrote:" People don't respond to a "non-person of no consequence" they just ignore them, Loud. That you and many others can't ignore me speaks volumes about what I have to say. You're dead to me. :) |
#15
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How To Read A Smashed Hard Drive
jon_banquer wrote:
nothing of any consequence **** off and die |
#16
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How To Read A Smashed Hard Drive
On Sunday, January 26, 2014 7:08:38 AM UTC-8, Terry Coombs wrote:
jon_banquer wrote: nothing of any consequence **** off and die Thanks for continuing to prove my point that you're both a liar and a loser, Coombs. |
#17
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How To Read A Smashed Hard Drive
On 1/25/2014 7:17 PM, jon_banquer wrote:
Here is why you're a ****ing moron if you think smashing your hard drive is a good answer to protecting your data from someone determined enough to read it. You're also a ****ing moron if you believe iggy is some kind a computer expert. http://www.popularmechanics.com/tech...drive-14877558 "Yes, physically destroying a hard drive renders your device and the data on it unusable. But with enough motivation and the right equipment—and the F.B.I. has both—some of your data can be recovered. Dan Kaminsky, chief scientist of security firm DKH, says 100 percent physical data destruction is nearly impossible. The only method that comes close is overwriting the disk. Quote: Recovery engineers remove the disk, which is stored on a platter, and put it on a larger, dedicated reader. /Quote If you can do that, you didn't destroy/smash the disk. |
#18
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How To Read A Smashed Hard Drive
On Sun, 26 Jan 2014 09:08:38 -0600, "Terry Coombs"
wrote: jon_banquer wrote: nothing of any consequence **** off and die Exactly. I wish people would all just plonk him and forget him. -- I have the consolation of having added nothing to my private fortune during my public service, and of retiring with hands clean as they are empty. -- Thomas Jefferson, letter to Count Diodati, 1807 Too bad -none- of the current CONgresscritters are willing to do that. -LJ |
#19
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How To Read A Smashed Hard Drive
On 1/26/14, 1:54 PM, Larry Jaques wrote:
On Sun, 26 Jan 2014 09:08:38 -0600, "Terry Coombs" wrote: jon_banquer wrote: nothing of any consequence **** off and die Exactly. I wish people would all just plonk him and forget him. I did just that... last night. Erik |
#20
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How To Read A Smashed Hard Drive
On Sunday, January 26, 2014 1:54:40 PM UTC-8, Larry Jaques wrote:
On Sun, 26 Jan 2014 09:08:38 -0600, "Terry Coombs" wrote: jon_banquer wrote: nothing of any consequence **** off and die Exactly. I wish people would all just plonk him and forget him. -- I have the consolation of having added nothing to my private fortune during my public service, and of retiring with hands clean as they are empty. -- Thomas Jefferson, letter to Count Diodati, 1807 Too bad -none- of the current CONgresscritters are willing to do that. -LJ I often take the time to spell out the specifics that Mark Wieber clique of idiot followers like Larry Jackass can't spell out. Mark Wieber clique of idiots followers don't have the CNC machining and CADCAM knowledge I have and it just kills them. These idiots have never learned to think on their own. Reading Larry Jackass have to constantly beg people to kill file me gives me nothing but pleasure. :) It's time for Larry Jackass to get back on his knees and do what he does best... blow Mark Wieber some more. |
#21
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How To Read A Smashed Hard Drive
Larry Jaques wrote:
On Sun, 26 Jan 2014 09:08:38 -0600, "Terry Coombs" wrote: jon_banquer wrote: nothing of any consequence **** off and die Exactly. I wish people would all just plonk him and forget him. He's back in the bozobin , this is the first time he's posted since I wiped this comp and reinstalled the OS . I don't think he likes me very much .... -- Snag |
#22
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How To Read A Smashed Hard Drive
On Sunday, January 26, 2014 3:09:29 PM UTC-8, Terry Coombs wrote:
Larry Jaques wrote: On Sun, 26 Jan 2014 09:08:38 -0600, "Terry Coombs" wrote: jon_banquer wrote: nothing of any consequence **** off and die Exactly. I wish people would all just plonk him and forget him. He's back in the bozobin , this is the first time he's posted since I wiped this comp and reinstalled the OS . I don't think he likes me very much ... -- Snag I'm always magically popping out of your kill file, Coombs. You continue to make every excuse known to man for why this keeps happening over and over and over. It's clear I own you. :) |
#23
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How To Read A Smashed Hard Drive
"Terry Coombs" fired this volley in
: He's back in the bozobin , this is the first time he's posted since I wiped this comp and reinstalled the OS . I don't think he likes me very much Terry, he hates everyone, including himself. Maybe even especially himself. In cattle country, we have a name for folks who deliberately attack everyone they contact -- "No longer a problem." If he had even a scrap of human decency, he'd commit suicide. The world would be better for it; and even he would be better for it. Lloyd |
#24
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How To Read A Smashed Hard Drive
On Sunday, January 26, 2014 3:39:42 PM UTC-8, Lloyd E. Sponenburgh wrote:
"Terry Coombs" fired this volley in : He's back in the bozobin , this is the first time he's posted since I wiped this comp and reinstalled the OS . I don't think he likes me very much Terry, he hates everyone, including himself. Maybe even especially himself. In cattle country, we have a name for folks who deliberately attack everyone they contact -- "No longer a problem." If he had even a scrap of human decency, he'd commit suicide. The world would be better for it; and even he would be better for it. Lloyd Why would I want to commit suicide and give Loud a free pass? No one gets a free pass. Loud never learned that you just can't keep a good man down. :) |
#25
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How To Read A Smashed Hard Drive
On 2014-01-26, mike wrote:
On 1/25/2014 7:17 PM, jon_banquer wrote: Here is why you're a ****ing moron if you think smashing your hard drive is a good answer to protecting your data from someone determined enough to read it. You're also a ****ing moron if you believe iggy is some kind a computer expert. http://www.popularmechanics.com/tech...drive-14877558 "Yes, physically destroying a hard drive renders your device and the data on it unusable. But with enough motivation and the right equipment?and the F.B.I. has both?some of your data can be recovered. Dan Kaminsky, chief scientist of security firm DKH, says 100 percent physical data destruction is nearly impossible. The only method that comes close is overwriting the disk. Quote: Recovery engineers remove the disk, which is stored on a platter, and put it on a larger, dedicated reader. /Quote If you can do that, you didn't destroy/smash the disk. I do believe that it is possible to restore some small pieces of information/files on scattered pieces from a shattered, crushed hard drive. (Most of those pieces were pea sized, in my case.) However, the cost of restoration will likely be prohibitive, and whatever pieces can be restored, likely will not be the pieces that the attacker needs. Also, given that filesystem information likely resides on pieces other than what contains files, just restoring some file contents would not tell the attacker what is that file and where it was. It would be cheaper to kidnap and torture me, than to restore a crushed hard drive to get some specific information, like my SSH keys. i |
#26
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How To Read A Smashed Hard Drive
On Sunday, January 26, 2014 3:48:40 PM UTC-8, Ignoramus15922 wrote:
On 2014-01-26, mike wrote: On 1/25/2014 7:17 PM, jon_banquer wrote: Here is why you're a ****ing moron if you think smashing your hard drive is a good answer to protecting your data from someone determined enough to read it. You're also a ****ing moron if you believe iggy is some kind a computer expert. http://www.popularmechanics.com/tech...drive-14877558 "Yes, physically destroying a hard drive renders your device and the data on it unusable. But with enough motivation and the right equipment?and the F.B.I. has both?some of your data can be recovered. Dan Kaminsky, chief scientist of security firm DKH, says 100 percent physical data destruction is nearly impossible. The only method that comes close is overwriting the disk. Quote: Recovery engineers remove the disk, which is stored on a platter, and put it on a larger, dedicated reader. /Quote If you can do that, you didn't destroy/smash the disk. I do believe that it is possible to restore some small pieces of information/files on scattered pieces from a shattered, crushed hard drive. (Most of those pieces were pea sized, in my case.) However, the cost of restoration will likely be prohibitive, and whatever pieces can be restored, likely will not be the pieces that the attacker needs. Also, given that filesystem information likely resides on pieces other than what contains files, just restoring some file contents would not tell the attacker what is that file and where it was. It would be cheaper to kidnap and torture me, than to restore a crushed hard drive to get some specific information, like my SSH keys. i It's cheaper and easier to make fun of you because you often show yourself to be a complete moron with no clues... like in this video: http://www.youtube.com/watch?v=mX4r5Rn65tQ You video already has two thumbs down and I didn't even vote yet. :) I did leave you this comment: Poorly fixtured. Poorly filmed. As lame as it gets. It's clear why you're in the scrap business rather than in the machining business. |
#27
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How To Read A Smashed Hard Drive
jon_banquer fired this volley in news:a9ed9ce7-a90b-
: Loud never learned that you just can't keep a good man down. :) I did. You're not even a man, much less a good one. No one has any trouble keeping you down... all anyone has to do is find is disagree with you, and you go flying out on another mental paroxysm. Some day (hopefully soon) you'll have a stroke or put a bullet through your brain, or someone at a trade show will just kill your imbalanced ass. Lloyd |
#28
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How To Read A Smashed Hard Drive
On Sunday, January 26, 2014 5:12:57 PM UTC-8, Lloyd E. Sponenburgh wrote:
jon_banquer fired this volley in news:a9ed9ce7-a90b- : Loud never learned that you just can't keep a good man down. :) I did. You're not even a man, much less a good one. No one has any trouble keeping you down... all anyone has to do is find is disagree with you, and you go flying out on another mental paroxysm. Some day (hopefully soon) you'll have a stroke or put a bullet through your brain, or someone at a trade show will just kill your imbalanced ass. Lloyd You can't keep me down, Loud. All you can do is keep yourself down and you're doing an excellent job of it. :) |
#29
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How To Read A Smashed Hard Drive
I've formatted hard drives since they were 2 megabyte on a double sided
12" hard disk. Have used a 36" vertically mounted hard disk that creates a gyroscope effect when running. They - the 2Meg DEC and DG disks required many pass testing and formatting to erase. Yet when security was had, the disk was cut. The testing mapped bad blocks using many patterns to improve testing. I'm talking Secret to top secret grade company and military disks. Security took the Military disks (they were formatted different from civi types ) and Security (aka police) destroyed them their way. They had fun - fire, rifle, pistol. Some just bent the disk. So my 'silly example' is factual and you have a short experience to say such. Martin On 1/26/2014 7:24 AM, Lloyd E. Sponenburgh wrote: Martin Eastburn fired this volley in : Overwriting it won't always erase. We used to run 10 patterns to quality a disk and afterwards we had to format the disk. Low-level formatting will. Always. Martin, actually, that was a silly example. There's no reason why a drive with the defective media locations already mapped would ever need formatting after a checkerboard test. Perhaps the whole reason for your 10-pattern test was to identify the defects, then to format with a new defect map.??? On some drives, rather than a stored defect map, defective sectors are 'jumped' over via a linkage table built right into the individual sector headers. Those sorts MUST be formatted in a way to reflect the bad spots on the medium. LLoyd |
#30
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How To Read A Smashed Hard Drive
On 2014-01-26, Erik wrote:
On 1/25/14, 7:17 PM, jon_banquer wrote: Here is why you're a ****ing moron if you think smashing your hard drive is a good answer to protecting your data from someone determined enough to read it. You're also a ****ing moron if you believe iggy is some kind a computer expert. http://www.popularmechanics.com/tech...drive-14877558 "Yes, physically destroying a hard drive renders your device and the data on it unusable. But with enough motivation and the right equipment—and the F.B.I. has both—some of your data can be recovered. Dan Kaminsky, chief scientist of security firm DKH, says 100 percent physical data destruction is nearly impossible. The only method that comes close is overwriting the disk. Haven't really been following this thread... but hard drives can be made 100% unreadable. Some use Aluminum platters, and other glass... just disassemble, remove, and melt down the platters. I'm sure it could be done without disassembly, but would be a smoky, loathsome & messy chore. I've heard a description of a bunch of GIs being assigned to a particular task. They were put in the command of a group of MPs. Eyes front the whole time. They were driven out into the desert, and each handed a shovel and told to dig a hole so deep by so wide. When done, come back for the next step. Handed a disk drive (carefully checked off and recorded by serial number) and a bag. Place drive in bottom of hole. Place bag on top. While a MP observes, light the ribbon sticking out of the bag, and step back. Wait until the thermite burns out. Demonstrate the slag to the MP. (Probably turn it over with the shovel to see what the drive looked like after this. :-) MP checks off last box beside that serial number. Shovel the dirt back into the hole. All driven back, and released for whatever was in line for them next. Yes, determined enough is a huge factor. And yes it takes immense [ ... ] Personally, I just clamp drives in the vise, beat[1] with a hand sledge and mangle with the enormous channel-locks, being sure few if any portions of the platters remain flat... and in the trash they go. Sounds like a nice stress relief operation. :-) CDR's & DVD's get cut into several pieces with tin snips... If you want a light show, take a block of styrofoam and cut slots into it to hold several CDs or DVDs on edge, and place in a microwave oven. Run on high for about ten seconds. (Better not to use the one which is used for food in the break room. :-) If you do it in a darkened room, you'll see a nice little light show. I don't know how much can be recovered from this -- but if I were *serious* about it, I would then hit it with the tin snips -- or perhaps run an orbital sander over the surface. :-) documents I worry a little more about. I shred and hold till I'm around & hear the trash truck, then spread them around loose in the can... so no one will have a tidy bag containing all the pieces. Yes, they could be picked out of the truck, but loose & scattered makes the process a huge undertaking. (Incidentally, I once caught a competitor going through my trash...) What did you do -- just wish him luck? :-) (After all your precautions, it sounds like he would not get anything. :-) (Or, you could plant some imperfectly destroyed disinformation in there, kind of like the Japanese and the stolen capacitor electrolyte formula which the Chinese and Koreans tried to use. I don't know whether that was truly disinformation, or just plain incompetence somewhere along the chain. :-) Enjoy, DoN. -- Remove oil spill source from e-mail Email: | (KV4PH) Voice (all times): (703) 938-4564 (too) near Washington D.C. | http://www.d-and-d.com/dnichols/DoN.html --- Black Holes are where God is dividing by zero --- |
#31
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How To Read A Smashed Hard Drive
On 2014-01-26, Lloyd E. Sponenburgh lloydspinsidemindspring.com wrote:
Martin Eastburn fired this volley in : Overwriting it won't always erase. We used to run 10 patterns to quality a disk and afterwards we had to format the disk. Low-level formatting will. Always. Martin, actually, that was a silly example. Actually -- thermal variations may cause the heads to be offset a fraction of a track width from one time to the other, and with the right tools (and a disassembled drive) it is possible to recover data from the fringes like that. The multiple patterns are to both increase the chances of overwriting any given pattern, and a chance to have different track offsets be used to be sure. At a minimum, alternating 0xAAAA and 0x5555 patterns result in each bit position being written as a one and a zero. Other patterns might make it more difficult to recover from fringe data left from the first two basic patterns. There's no reason why a drive with the defective media locations already mapped would ever need formatting after a checkerboard test. Perhaps the whole reason for your 10-pattern test was to identify the defects, then to format with a new defect map.??? More likely to be sure that the fringes of the tracks were fully overwritten. Start off with the drive cool, and let the heads drift as it heats up. On some drives, rather than a stored defect map, defective sectors are 'jumped' over via a linkage table built right into the individual sector headers. Those sorts MUST be formatted in a way to reflect the bad spots on the medium. A real pain in some cases. Enjoy, DoN. -- Remove oil spill source from e-mail Email: | (KV4PH) Voice (all times): (703) 938-4564 (too) near Washington D.C. | http://www.d-and-d.com/dnichols/DoN.html --- Black Holes are where God is dividing by zero --- |
#32
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How To Read A Smashed Hard Drive
What did you do -- just wish him luck? :-) (After all your
precautions, it sounds like he would not get anything. :-) (Or, you could plant some imperfectly destroyed disinformation in there, kind of like the Japanese and the stolen capacitor electrolyte formula which the Chinese and Koreans tried to use. I don't know whether that was truly disinformation, or just plain incompetence somewhere along the chain. :-) Enjoy, DoN. Caught the competitor in the trash eons ago... right before I wised up and got a shredder. Then after I saw a report on TV where someone was taking bags of shreddings and piecing them back together, I figured anyone with a little patience could do likewise. Really don't go all that crazy with the precautions... have busted up about 10 hard drives through the years, 3 of which were actually mine... about 10 or 12 CDR's/DVD's a year, and oh, 3 or 4 shredded document 'dumps' a year. Really just don't generate all that much... Wikipedia talks about the capacitor electrolyte thing... whoever it was sure caused a lot of grief... http://en.wikipedia.org/wiki/Capacitor_plague Erik |
#33
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How To Read A Smashed Hard Drive
On Sunday, January 26, 2014 2:16:45 PM UTC-8, Erik wrote:
On 1/26/14, 1:54 PM, Larry Jaques wrote: On Sun, 26 Jan 2014 09:08:38 -0600, "Terry Coombs" wrote: jon_banquer wrote: nothing of any consequence **** off and die Exactly. I wish people would all just plonk him and forget him. I did just that... last night. Erik Wish you had done it sooner. Make sure I stay there. |
#34
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How To Read A Smashed Hard Drive
On Sunday, January 26, 2014 9:19:10 PM UTC-8, Erik wrote:
What did you do -- just wish him luck? :-) (After all your precautions, it sounds like he would not get anything. :-) (Or, you could plant some imperfectly destroyed disinformation in there, kind of like the Japanese and the stolen capacitor electrolyte formula which the Chinese and Koreans tried to use. I don't know whether that was truly disinformation, or just plain incompetence somewhere along the chain. :-) Enjoy, DoN. Caught the competitor in the trash eons ago... right before I wised up and got a shredder. Then after I saw a report on TV where someone was taking bags of shreddings and piecing them back together, I figured anyone with a little patience could do likewise. Really don't go all that crazy with the precautions... have busted up about 10 hard drives through the years, 3 of which were actually mine... about 10 or 12 CDR's/DVD's a year, and oh, 3 or 4 shredded document 'dumps' a year. Really just don't generate all that much... Wikipedia talks about the capacitor electrolyte thing... whoever it was sure caused a lot of grief... http://en.wikipedia.org/wiki/Capacitor_plague Erik It's pretty clear to me you still haven't "wised up". |
#35
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How To Read A Smashed Hard Drive
Martin Eastburn fired this volley in
: So my 'silly example' is factual and you have a short experience to say such. What was silly about your example is that the drive had to already have been formatted properly in order to write to all sectors. You are aware of what 'formatting' is; yes? (I don't mean in some nebulous 'generic' sense. What does it DO? Do you know?) What, exactly, does your example of MPs burning/shooting a disk to destroy it have to do with the _necessity_ of re-writing three times then formatting in order to erase one? Now it's a non sequitor example -- and getting sillier by the minute. ? LLoyd |
#36
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How To Read A Smashed Hard Drive
"DoN. Nichols" wrote in message
... Actually -- thermal variations may cause the heads to be offset a fraction of a track width from one time to the other, and with the right tools (and a disassembled drive) it is possible to recover data from the fringes like that. http://hddscan.com/doc/HDD_from_inside.html http://hddscan.com/doc/HDD_Tracks_and_Zones.html http://hddscan.com/doc/data-recovery-for-dummies.html |
#37
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How To Read A Smashed Hard Drive
"Jim Wilkins" fired this volley in news:lc5peu$o8l
: "DoN. Nichols" wrote in message ... Actually -- thermal variations may cause the heads to be offset a fraction of a track width from one time to the other, and with the right tools (and a disassembled drive) it is possible to recover data from the fringes like that. http://hddscan.com/doc/HDD_from_inside.html http://hddscan.com/doc/HDD_Tracks_and_Zones.html http://hddscan.com/doc/data-recovery-for-dummies.html Yep, I'd forgotten about the 'sidebars'. There are some drives that pre- erase the sides before re-writing the data track... but not all. Lloyd |
#38
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How To Read A Smashed Hard Drive
"Lloyd E. Sponenburgh" lloydspinsidemindspring.com wrote in
. 3.70: jon_banquer fired this volley in news:a9ed9ce7-a90b- : Loud never learned that you just can't keep a good man down. :) I did. You're not even a man, much less a good one. [...] Just put Jonny Bonkers in your killfile, and forget about him. The one thing that a troll simply cannot abide is to be ignored. Don't read his posts, don't respond to his posts, nothing. Act as though he does not exist. |
#39
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How To Read A Smashed Hard Drive
On Monday, January 27, 2014 4:06:56 PM UTC-8, Doug Miller wrote:
"Lloyd E. Sponenburgh" lloydspinsidemindspring.com wrote in . 3.70: jon_banquer fired this volley in news:a9ed9ce7-a90b- : Loud never learned that you just can't keep a good man down. :) I did. You're not even a man, much less a good one. [...] Just put Jonny Bonkers in your killfile, and forget about him. The one thing that a troll simply cannot abide is to be ignored. Don't read his posts, don't respond to his posts, nothing. Act as though he does not exist. Losers like Larry Jackass, Doug Miller and Terry Coombs just can't seem to ignore me. There is good reason for that.... I post the content they can't. I own these bitches and all the other Mark Wieber clique of idiot bitches as well. :) |
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