Will heating the platters beyond curie temp make disk-splicing impossible?
in [Design]
|
Prev: RIP Randy Slone
Next: If D from BC were a plumber:
From: GreenXenon on 15 Apr 2010 17:15 Hi: If I heat the platters of my HDD beyond curie point to eliminate the platters' magnetic properties, will disk-splicing still make it possible to recover data from those platters? I ask because I read some stuff on the following link: http://aboutinternet.org.ua/6097final/lib0157.html "Under the illusion that they'll have complete protection, many people burn floppy or hard disks, crush and mangle them, cut them into pieces, pour acid on them, and otherwise physically manhandle them so that there's no possible way they could ever be used by another computer again. Unfortunately, physical destruction of floppy and hard disks still can't guarantee that your data will be safe, since government agencies such as the FBI and CIA practice a specialized technique known as disk splicing." "With disk splicing, someone physically rearranges the pieces of a floppy or hard disk so that it is as close as possible to its original condition." Scary indeed. Can similar data recovery be performed on volatile RAM chips even after the power is offed.
From: Tim Watts on 15 Apr 2010 17:43 On Thu, 15 Apr 2010 14:15:32 -0700, GreenXenon <glucegen1x(a)gmail.com> wibbled: > Hi: > > If I heat the platters of my HDD beyond curie point to eliminate the > platters' magnetic properties, will disk-splicing still make it possible > to recover data from those platters? > > I ask because I read some stuff on the following link: > http://aboutinternet.org.ua/6097final/lib0157.html > > "Under the illusion that they'll have complete protection, many people > burn floppy or hard disks, crush and mangle them, cut them into pieces, > pour acid on them, and otherwise physically manhandle them so that > there's no possible way they could ever be used by another computer > again. Unfortunately, physical destruction of floppy and hard disks > still can't guarantee that your data will be safe, since government > agencies such as the FBI and CIA practice a specialized technique known > as disk splicing." > > "With disk splicing, someone physically rearranges the pieces of a > floppy or hard disk so that it is as close as possible to its original > condition." > > Scary indeed. This is the answer: http://www.youtube.com/watch?v=__AflVDbHKQ (watch if you enjoy pyro and bad things happening to French made cars) -- Tim Watts Managers, politicians and environmentalists: Nature's carbon buffer.
From: GreenXenon on 15 Apr 2010 17:56 On Apr 15, 2:43 pm, Tim Watts <t...(a)dionic.net> wrote: > On Thu, 15 Apr 2010 14:15:32 -0700, GreenXenon <glucege...(a)gmail.com> > wibbled: > > > > > Hi: > > > If I heat the platters of my HDD beyond curie point to eliminate the > > platters' magnetic properties, will disk-splicing still make it possible > > to recover data from those platters? > > > I ask because I read some stuff on the following link: > >http://aboutinternet.org.ua/6097final/lib0157.html > > > "Under the illusion that they'll have complete protection, many people > > burn floppy or hard disks, crush and mangle them, cut them into pieces, > > pour acid on them, and otherwise physically manhandle them so that > > there's no possible way they could ever be used by another computer > > again. Unfortunately, physical destruction of floppy and hard disks > > still can't guarantee that your data will be safe, since government > > agencies such as the FBI and CIA practice a specialized technique known > > as disk splicing." > > > "With disk splicing, someone physically rearranges the pieces of a > > floppy or hard disk so that it is as close as possible to its original > > condition." > > > Scary indeed. > > This is the answer: > > http://www.youtube.com/watch?v=__AflVDbHKQ > > (watch if you enjoy pyro and bad things happening to French made cars) > > -- > Tim Watts > > Managers, politicians and environmentalists: Nature's carbon buffer. How about cooking the platters directly above the blue flames of a gas stove? Will that eliminate the magnetic properties of platters and render disk-splicing useless for recovering data?
From: a7yvm109gf5d1 on 15 Apr 2010 19:39 On Apr 15, 4:15 pm, GreenXenon <glucege...(a)gmail.com> wrote: > Hi: > > If I heat the platters of my HDD beyond curie point to eliminate the > platters' magnetic properties, will disk-splicing still make it > possible to recover data from those platters? > > I ask because I read some stuff on the following link:http://aboutinternet.org.ua/6097final/lib0157.html > > "Under the illusion that they'll have complete protection, many people > burn floppy or hard disks, crush and mangle them, cut them into > pieces, pour acid on them, and otherwise physically manhandle them so > that there's no possible way they could ever be used by another > computer again. Unfortunately, physical destruction of floppy and hard > disks still can't guarantee that your data will be safe, since > government agencies such as the FBI and CIA practice a specialized > technique known as disk splicing." > > "With disk splicing, someone physically rearranges the pieces of a > floppy or hard disk so that it is as close as possible to its original > condition." > > Scary indeed. > > Can similar data recovery be performed on volatile RAM chips even > after the power is offed. You're just not that important that anyone would bother spying on you, RIchard.
From: Phil Hobbs on 15 Apr 2010 19:59
On 4/15/2010 7:50 PM, Joel Koltner wrote: > "John Larkin" <jjlarkin(a)highNOTlandTHIStechnologyPART.com> wrote in > message news:5a8fs5tou6rga4q8iaela0htcdqio2grm6(a)4ax.com... >> That's nonsense. > > To a large extent, yes, but I think it depends greatly on how much > effort one goes to in destroying the media -- a disk that's just been > broken into, e.g., a half-dozen pieces is probably well worth putting > back together. > > Sending the platters through a chipper should be pretty effective, I > expect. > > I've been told that during the cold war years intelligence agencies > would meticulously splice back together paper documents that had gone > through a shredder. IBM and the German government announced a program to do that on a huge scale with the shredded Stasi archives--which occupy thousands of garbage bags of confetti. They're doing it by scanning and recombining the scanned images. Could be pretty cool if it works. Fortunately the perps have had another 20 years to finish dying off.... Cheers Phil Hobbs > > But of course all governments have an interest in suggesting their > intelligence capabilities are far greater than they really are too. > > One newer topic in security is "deniable encryption," wherein you > purposely setup your encrypted hard drive (or whatever) in a manner that > goes no obvious sign whether it's a bunch of encrypyed data or if it's a > just a disk full of radom gobbledeegook that you put there when you > erased the drive for completely legitimate (e.g., privacy) reasons. Cool > idea... I've never encrypted an entire hard drive, but I definitely have > used programs like "disk eraser" that fill the drive with random data > when I've sold off an old drive, precisely to ensure there wasn't > anything of use left. > > ---Joel > -- Dr Philip C D Hobbs Principal ElectroOptical Innovations 55 Orchard Rd Briarcliff Manor NY 10510 845-480-2058 hobbs at electrooptical dot net http://electrooptical.net |