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So /wsr/, I bought a refurbished desktop and the hard drive failed

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So /wsr/, I bought a refurbished desktop and the hard drive failed the next day. I'd already loaded personal info onto it and couldn't erase it using Testdisk. Anyone know how to erase data from a failed disk?

Have a qt.
>>
>>278740
You could just do it the old fashioned way. Just break it apart or use a powerful magnet.

I never trust used hard drives.
>>
>>278740
bake it in a conventional oven at 220 degrees C for half an hour.
>>
drill
hammer
microwave
axe
>>
>>279258
Basically this. I've worked at a place that handled disposal of ex-police computers. Even after running DBAN the drives were always physically destroyed. Smash it up with a hammer until you can hear a lot of pieces of disk platter rattling around in it when you shake it.
Don't microwave it. Not because it wouldn't destroy the data, but because it'll probably also destroy your microwave. Drill and axe may be overkill, but beating the shit outta it with a hammer is definitely good advice.
>>
>>279267
No, it's not, it's terrible advice.

A simple platter transplant or magnetogram of the platters, and there's your data clear as day.

Get a torx driver, disassemble it, remove the platters, then sand them back to the glass.
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>>279388
>A simple platter transplant
>simple
lol
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>>279388
that does not work, most hdds have firmware headers written onto the platters aswell and if their cheksum doesnt match the firmware present on the pcb the disk will refuse to read the platter data. for that to have a change to work you would need to get an the same exact hdd model (hardware same revision) with the exact same firmware (build version numbers must match) and only then can you perform the
>simple platter transplant
on a clean room with the proper gear to deattach the platters since a
>torx driver
isnt enough to remove the platters from the high speed servo

>>278740
open it up using whatever method you like, with a screw driver or with an axe, break/shatter the platters completly, pick up the pieces and throw in the garbage, preferably the glass shards on a different bin from the rest of the metallic casing
>>
>>279405
>>279388
Well we already know the NSA, CIA, or similar is after OP, because the most sensible "just throw it in the bin, no-one cares enough to fix your hard disk just to read your emails" has been ruled out.

Modern hard disks record at about 500GB/square-inch, so a chunk of platter the size of a dime could have half a terabyte of recoverable material. If you're looking to make the platters unreadable, smashing them is not sufficient.
>>
>>279409
We have to assume that the kind of actor that repairs hard disks just to read OP's shitposting has written their own firmware, and can directly manipulate the heads and chassis.
>>
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>>279436
>OP's shitposting
wut? the fella is just trying to erase the disk, the easier way is to completely destroy the platters, since the hdd is already busted
>written their own firmware
for an undocumented, custom, and what i can assume is an, fpga chip and all its peripherals? wat! you would have better luck issuing commands using the serial interface present on the control jumpers...
>>
>>279479
What proof do you have that the agencies targeting OP don't have the capability to do that?

It's not like it'd be that difficult to reverse-engineer the firmware that's on an identical, working device. And it's not like the NSA hasn't already got rootkits that live in the hard disk firmware, firmware they reverse-engineered. And it's not like random guys on the Internet haven't done the same thing and put up proof-of-concepts.

Don't listen to this guy, OP. He's working for Them and wants to fool you.
>>
>>279500
>reverse-engineer
a glass platter shattered into a billion tiny pieces?
3/10, and im being generous cause your reply had a bunch of letters in it
>>
>>279503
But it's not a billion tiny pieces, is it.

500GB single-platter 2.5" drive has five square inches of platter. If you find a one-inch square chunk of it, you just found 100GB of completely intact data.

Just lay it down flat and do some scanning magnetography, and there you go.

Back when hard disks stored megabytes, hitting them with a hammer was a workable solution. Now it isn't.
>>
>>279503
And don't just take my word for it: http://www.popularmechanics.com/technology/security/how-to/a8566/how-to-read-a-smashed-hard-drive-14877558/
>>
>>279510
>>279512
you are not making sense, its far less time consuming and more effective to just torture the person into giving the information than it is to microscopically reassemble GLASS DUST with trace amounts of aluminum, guess which inodes belong on which lba, factor out non contiguous data/empty sectors and retrieve some piece of a (several) file(s)
>https://www.youtube.com/watch?v=w1QFcKqK9jM
>>
>>279579
Why are you trying to argue that the FBI, CIA and NSA are incapable of something that they in fact already do?
>>
>>279388
funny, whenever i've contacted services about recovering info from a dying hard drive, they've gone on at length about how difficult and expensive it would be.
>>
>>279581
>FBI
unable to even clone a nand flash from a phone, recovering a broken platter is way harder than that
>CIA
resorts to millennial script kiddies with emoji lists to "trojan everything". they already got access you your phone which has much more meaningful data, no need for your hdd porn cache
>NSA
they already have room 641a (and many others alike), whatever was on the hdd they already looked into it when it passed through the "internet tubes"

it is way simpler to just incarcerate someone until they fess up, or torture them for the same purpose
>>
>>279583
>difficult
>expensive
These are funny ways of writing "not possible", anon.
>>
>>278740
Dismantle the HDD, then use the disks to play frisbee or to decorate your room.
Thread posts: 21
Thread images: 2


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