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36
votes
8answers
9k views

How can I reliably erase all information on a hard drive?

As storage technologies change over time, using different encodings and remappings to deal with sector errors, the best way to permanently erase/wipe/shred data changes also. Methods for flash drives ...
34
votes
4answers
16k views

Why is writing zeros (or random data) over a hard drive multiple times better than just doing it once?

Lots of different programs, such as Darik's Boot and Nuke, let you write over a hard drive multiple times under the guise of it being more secure than just doing it once. Why?
39
votes
3answers
13k views

Is it enough to only wipe a flash drive once?

According to the documentation for the "diskscrb" command for wiping conventional hard drives: http://www.forensics-intl.com/diskscrb.html "Conforms to and exceeds the Government Standard set ...
18
votes
2answers
33k views

Can wiped SSD data be recovered?

I was reading another post on destroying IDE drives, and how you could remove data, wipe it, or just destroy the drive. The removed data would still be there in some state, although not easily ...
6
votes
3answers
2k views

How can files be deleted in a HIPAA-compliant way?

Any material I've come up with for data destruction standards relate to completely wiping (ATA Secure Erase) and physically destroying hard drives, but I haven't been able to find much about standards ...
15
votes
2answers
802 views

Secure wiping of EEPROM and flash memory

Older magnetic storage exhibited some data remanence, so a recommendation emerged to wipe data by overwriting it multiple times with varying patterns — the “Gutmann wipe”. More recent hard disk ...
0
votes
2answers
448 views

What is the difference between wiping vs deleting? [duplicate]

I was reading about the Mask malware on Kaspersky. And they mentioned this: “Several reasons make us believe this could be a nation-state sponsored campaign. First of all, we observed a very ...
2
votes
5answers
1k views

Prove that you deleted the file

Is it possible to prove a date that you Deleted a file through the recycle bin? I delete a folder of pictures 2 months ago and somebody is asking to prove that I did it.
3
votes
2answers
1k views

ATA security erase on SSD

Is it possible to recovery data from SSD, that was secure erased (https://ata.wiki.kernel.org/index.php/ATA_Secure_Erase), by IT or professional data recovery company? Does this type of erasing ...
1
vote
1answer
269 views

Does microwaving a hard drive erase it?

Kind of a silly question, but I'm genuinely curious: (in part because I recently saw several questions that refer to "nuking" a hard drive...) what would a microwave DO to an HDD? Would it erase data ...
3
votes
3answers
2k views

Is running an erase tool after an OS install sufficient to ensure no data from the old install is recoverable?

How secure do you consider this process? A drive has data from a previous OS installation. A new OS installation is made on the drive, and Heidi Eraser is run on free space. What are the chances ...
2
votes
1answer
69 views

Tools for Verifying Secure Deletion

It is recommended to verify the zeroing-out was done properly when you try to secure delete a HDD. From this post, some drives with firmware bugs prevent secure erase from working properly. What are ...