Secure erase is a command to tell an ATA mass storage device to completely wipe itself.

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31
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11answers
6k views

How do I wipe an encrypted USB flash drive?

My company has issued an encrypted USB flash drive which I stored my personal data in it. I am resigning from the company and I wanted to wipe the data in the usb drive but I have forgotten the ...
0
votes
3answers
90 views

Partially Solved: SSD security password - stuck with an I/O Error

Model in question is a Kingston SV300S37A120G. I read here that when trying to unlock a security password, I should put “quotes” around it if it contains special characters. Does that apply for caps? ...
0
votes
0answers
18 views

hdparm -N /dev/sda fails

Progression of events; Made a bootable Ubuntu 16.04 LTS USB key. Booted said key. Selected try Ubuntu without installing. Opened a terminal window. Typed hdparm -N /dev/sda Output was: /dev/sda: ...
0
votes
0answers
24 views

Options for wiping the contents of HPA and DCO?

I asked a few more questions here and they're not really done with yet, but I'm asking this in advance to save time for when and if they fall through. I need to delete the HPA and DCO sectors of a ...
0
votes
1answer
30 views

HDDErase.exe not picking up any drives to wipe

Follow-on question from Rufus rejecting HDDErase.iso. So after getting HDDErase.exe onto the DOS-booting USB stick and running it, I ran into yet another problem; the USB boots, the program runs, and ...
0
votes
1answer
41 views

Rufus rejecting HDDErase.iso

I'm not sure if this is the place to be asking this, but maybe someone here knows what's going on? I'm trying to create a bootable USB key with HDDErase.iso, obtained from http://cmrr.ucsd.edu/people/...
-1
votes
0answers
23 views

How do I securely erase a SSD WITHOUT using a (s)ata secure erase command?

There has to be a better, less risky way then using buggy firmware with dodgy support across multiple OSes. For example, with a normal HDD, I could just nuke the thing with nwipe or dban. Can't do ...
7
votes
3answers
11k views

Harddrive - wipe out “hidden areas” like HPA and DCO also after malware infection

Background - Malware in windows (yes), possibly rootkit/bootkit. Don't want to take any chances. So, wiped drive with DBAN foolishly (PRNG, 8 pass). Later came to know that DBAN does not kill HPA (...
0
votes
1answer
60 views

Erase free space with Terminal running IOS El Capitan 10.11.4

The Terminal command: diskutil secureErase freespace 4 /volumes/”Macintosh HD” returns the “could not find disk HD” message. What am I doing wrong? Thanks. Tom
106
votes
16answers
170k views

How to wipe free disk space in Linux?

When a file is deleted, its contents may still be left in the filesystem, unless explicitly overwritten with something else. The wipe command can securely erase files, but does not seem to allow ...
89
votes
10answers
7k views

Securely erasing all data from a hard drive

I am about to sell my old desktop PC and I am cautious about some of my sensitive information being available to the purchaser, even after reformatting the hard-drive, using data recovery software. ...
3
votes
2answers
270 views

Triming as alternative to securely erasing a SSD

The recommended way of securely erasing a SSD is the ATA secure erase. Most of the BIOSes disable this function by freezing the drive. Some tricks around the BIOS freeze exist and may or may not work ...
12
votes
6answers
3k views

How can I render an SSD permanently inoperable with no chance of data recovery?

On platter drives, when it is time to dispose of them, a degaussing takes care of the data and in most cases erases the factory pre-recorded servo tracks rendering the drive useless. What does one do ...
5
votes
1answer
2k views

So did Lenovo BIOS secure erase just brick my SSD?

I tried the "Erase the Solid State Drive in the HDD bay" BIOS feature following these instructions. The message "Now erasing... It may take about 6 minutes." came up. After waiting over three hours, I ...
0
votes
0answers
98 views

Will cipher /w:C properly wipe empty space on SSD drive?

On Windows you can use cipher /w:C to overwrite the blank space on a drive with random bytes. With SSD's there's lots of problems with secure deleting individual files because of the way SSD's do '...
1
vote
1answer
2k views

Secure erase SSD on Lenovo ThinkPad T520 (can't unfreeze SSD, machine reboots on hotplug)

I have a ThinkPad T520 and a Samsung 840 EVO 256GB SSD that I'm trying to secure erase. I cannot secure erase the drive because I cannot unfreeze the drive because I cannot remove then reinsert the ...
0
votes
0answers
53 views

how to write files to random locations on hard drive?

I bought a hard drive in the store. After some days it broke down. My 14 days return policy is almost expiring (I want my money back, not other unit). Overwriting/Wiping 4TB of data with a broken hard ...
0
votes
1answer
45 views

how to erase sensitive data “permanently” if hd broken and cannot do full random overwrite?

I purchased a broken hard drive. I copied some of my movies on it. It is broken now. I want to send it back to the factory. I wanted to permanently delete all my files with "Sdelete" secure tool. ...
11
votes
3answers
3k views

How many passes do you need to wipe/shred your files to make them not undeletable?

If you have a private data on a recent, normal hard drive - how many passes do you need to delete the data to make it unrecoverable? Not in the sense, that a forensic team of 20 experts with a budget ...
-1
votes
5answers
1k views

Erase data from external hard drive forever [duplicate]

Possible Duplicate: Securely erasing all data from a hard drive I (full) formatted my external hard drive. Now, before giving it to someone else is there anyway to make sure there is no way to ...
4
votes
3answers
1k views

How to destroy file contents without deleting files

My goal is to have files of original size that can't be opened (or recovered) in their respective software such as MS Office Word. My purpose is to simulate presence of files while I don't want to ...
1
vote
0answers
97 views

Was my SSD wiped?

I have a MacBook Pro Retina mid 2013, as I intend to pass it, I used a bootable Ubuntu so I could make a ATA Secure erase. As the disk was "not enabled" and "frozen" I had to put it to sleep by ...
0
votes
1answer
102 views

How is Deleted Data Recoverable Even When Overwritten? [duplicate]

Would this make a file unrecoverable (Windows OS)? Delete the file (i.e. send it to the recycling bin). Empty the recycling bin (i.e. remove the reference to where the data is stored in memory). ...
0
votes
0answers
28 views

Unable to shred personal data from re-formatted computer

I have an old Windows 7 computer that I want to give away. I restored the machine to factory settings (using manufacturer's disks). After that I ran SDelete & CCleaner to shred any personal data ...
0
votes
0answers
133 views

How to fully erase promotional USB stick Autorun partition

I have a 2GB USB stick from a free promotional giveaway. It has a second "partition" with Autorun for advertising every time I insert it in a computer. I know I can disable autorun, but how can I ...
1
vote
0answers
175 views

Manipulating the HDD password via an SATA-USB adapter

This question is related to The master password of Transcend SSD. I've forgotten the password of Transcend SSD370 ,which I set. When I boot my PC by a live CD with the SSD connected to the SATA port, ...
2
votes
0answers
92 views

Is shred single pass less secure than srm?

i compared shred -n 1 -v --random-source=/dev/zero file.txt and srm -llvzd file.txt on 16gb file on hdd. ubuntu 14.04. both commands do single pass with zeros. 'srm' needed more than whole night ...
1
vote
0answers
100 views

Mac OS X: What are the implications and consequences of executing “kill -9 writeconfig” from the console?

I am trying to delete an account and checked the "Erase home folder securely" option. I now notice the process writeconfig is running about 100% CPU, and has been so for some 12 hours now. Anybody ...
0
votes
0answers
49 views

Is this process a reasonable way to remove personal data from a Mac before giving it away?

Occasionally I give away (or sell) an old Mac that I'm not using anymore. Before I do that, I want to make sure that none of my personal data remains on the drive, but I'm too lazy to reformat the ...
2
votes
2answers
312 views

Securely delete a file in Ubuntu?

I have been reading about government standards for secure data erasure by overwriting the file location with random data [wikipedia: data erasure standards]. I am wondering if Ubuntu's default Delete (...
0
votes
2answers
61 views

removing sensitive data from laptop (ssd drive) before sending to support

Here is my problem. My computer has a screen problem and needs to be sent to the manufacturer's support desk. However I have some private files on the computer I dont want the support to (possibly) ...
1
vote
2answers
1k views

Deleting (Erasing) all Data from Failed SanDisk MicroSD Card

I've had two 32GB SanDisk MicroSD cards go bad recently. One I was able to temporarily revive using the kind advice offered in this thread: Recover Data from Card that cannot be read When I insert ...
12
votes
10answers
3k views

Is there a way to truly delete all deleted files?

I know that on the windows operating system, when you delete a file it's still recoverable. I'd like to avoid simply paving the harddrive with zeros as I would like to keep my OS installation as is, ...
1
vote
2answers
3k views

How do I wipe a microSD card that I can't write to?

I have a microSD card that has become read-only. I cannot write to it, or delete files from it, or format it, or repartition it. (Various computers think they can delete files, but after removing and ...
2
votes
0answers
143 views

Is there a way to invoke the ANSI ATA enhanced secure erase command targeting an SSD after booting into Windows 7?

I'm too lazy to burn a bootable image, and then wait for the wiping to occur. To securely (in terms of lack of recoverability and safety to the SSD) wipe a Crucial M4 SSD. Is there a DOS command or a ...
23
votes
5answers
20k views

Why is my /dev/random so slow when using dd?

I am trying to semi-securely erase a bunch of hard drives. The following is working at 20-50Mb/s dd if=/dev/zero of=/dev/sda But dd if=/dev/random of=/dev/sda seems not to work. Also when I ...
7
votes
3answers
5k views

How can I securely format a solid-state drive?

When selling / throwing away / giving away HDDs I always use DBAN to do a DoD wipe first. Is this still a valid thing to do on an SSD? Will it have an adverse effect on the SSD's lifespan?
0
votes
0answers
135 views

What is the difference between ATA Secure Erase and Security Erase? How can I ensure they worked?

I'd like to wipe a stack of drives (spinning and SSD) securely. I'm familiar with the ATA Secure Erase (SE) command via hdparm, but I'm not sure if I should use the Security Erase (SE+) command ...
1
vote
1answer
98 views

Linux yes command for erasing a drive with custom data

So if you want to erase a drive with custom data you can do yes "text here" > /dev/sdX but I was wondering if this is a secure way to do so?
7
votes
2answers
2k views

Have I bought a faulty SSD?

I've recently acquired a Samsung Evo 840 120GB, but haven't been able to actually use it. The problems started when trying to do a fresh install of Windows 8 on it: I've retried the process with ...
2
votes
4answers
859 views

Using Mersenne twister to wipe disks

Currently when I want to wipe a USB disk with pseudorandom data in Linux I do the following: dd if=/dev/urandom of=/dev/sdb conv=notrunc urandom is very, very slow, it gets to the point where the ...
3
votes
7answers
323 views

Getting rid of an old computer

What are the recommended steps to take before getting rid of a computer by either giving it away or throwing it away? Is using Darik's Boot and Nuke (DBAN) enough?
0
votes
1answer
456 views

How do I erase a Samsung Magician encrypted solid-state drive (SSD)?

I need to securely wipe a Samsung 840 solid-state drive (SSD) of a co-worker that's leaving the company. My colleague ran into a problem he can't find the answer to. The drive is encrypted with ...
1
vote
2answers
373 views

Program to erase index.dat in content.ie5 securely with multiple passes?

Is there program (preferably free one) that can erase contents of C:\Documents and Settings\<username>\Local Settings\Temporary Internet Files\Content.IE5\index.dat file in secure mode - ...
0
votes
1answer
2k views

eMMC Standards and File System support

I am looking into Android secure erase functions and realized a few things: Android uses eMMC as its storage media, eMMC standards are set by the JEDEC organization (currently most of the ...
1
vote
0answers
161 views

Does Filevault 2 encrypt deleted files created before Filevault activation?

I have a 2013 Macbook Air that I'm returning (drive is SSD). I didn't have Filevault turned on, and I erased the disk and reinstalled the OS (secure erase was not available as an option). I then ...
1
vote
2answers
91 views

Deleting a file by overwriting its contents, e.g. using a text editor, in Windows? How secure is it?

I know there are a number of secure deletion programs for windows. But If someone wanted to do a simple deletion of a private document, could they do so by opening it up in Notepad/Wordpad, erasing ...
3
votes
5answers
1k views

Are there options for disk wiping software that do not require booting into the software first?

I have an external hard disk and a HDD that was formally internal but is now connected via a SATA-to-USB adapter. I'd like to wipe both drives, but I feel uncomfortable booting into DBAN and other ...
0
votes
2answers
532 views

Computer won't boot to system rescue CD, goes to GRUB bootloader instead

I'm trying to wipe a hard disk and am using System Rescue CD so I can launch DBAN from it. When the computer is powered on I press F12 to get to the boot menu but it doesn't come up and goes into the ...
18
votes
2answers
8k views

Using `shred` from the command line

I need to securely erase some files. I have used shred on linux systems before, so I looked around and found that shred is part of the coreutils package in macports. I did port install coreutils to ...