Tagged Questions

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

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1
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2answers
69 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 ...
0
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0answers
58 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
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1answer
38 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?
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1answer
569 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 ...
7
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2answers
260 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 ...
0
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1answer
178 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 ...
2
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0answers
96 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 ...
1
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0answers
105 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 ...
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2answers
70 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 ...
2
votes
5answers
707 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 ...
3
votes
2answers
4k 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 ...
12
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5answers
738 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 ...
0
votes
2answers
347 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 ...
7
votes
2answers
2k 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 ...
0
votes
1answer
918 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 ...
4
votes
1answer
881 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 ...
0
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4answers
2k views

What's the best algorithm to secure erase HDD? [closed]

There are a lot of secure erasing algorithms in erasing softwares. What's the best of these algorithms?
2
votes
2answers
533 views

Difference between DBAN and dd command to securely wipe a HDD

I have read about dd and see that it can be used to securely wipe a HDD. But there is also a program called DBAN to wipe the HDD as well. I know that using a live gnu-linux ISO I can wipe my HDD by ...
3
votes
2answers
566 views

How do I wipe an entire hard drive using the Gutmann method? [duplicate]

Possible Duplicate: Securely erasing all data from a hard drive Is it possible to securely wipe a hard drive with the method outlined here using dd and little else? I have an old PC and an ...
4
votes
2answers
917 views

Issues with hard disk secure erase

I want to completely wipe all the data and both OSes (Ubuntu and Windows 7) from my hard drive. I tried DBAN but it gives me an error and does not run. I am looking for an alternative. After reading ...
3
votes
1answer
720 views

How Secure Erasing effects SDD life? [closed]

I wonder how "Secure Erase" effects SSD life? Does it shorten? And for re-installing OS which method is efficient (I mean SDD life and performance)? Secure Erase and install Format and install, let ...
1
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0answers
20 views

Can I shred empty space on the filesystem? [duplicate]

Possible Duplicate: How to shred already removed file on modern filesystem? (randomize free space, journal, tails, … securely) One can't securely delete ("shred") a file on ...
-1
votes
3answers
2k views

Software that supports ATA Secure Erase Command [closed]

We have a lot of drives that need to be sanitized. NIST SP 800-88 recommends software that uses the ATA Secure Erase command. That's apparently the only way to be sure that the drive is properly ...
4
votes
4answers
22k views

How can I securely erase files from a USB drive, using Windows? [duplicate]

Possible Duplicate: How to wipe a USB hard drive [Author edit] Actually I think the duplicate is this one: Permanently delete files from a flash drive [/edit] I have a USB stick returned ...
8
votes
1answer
6k views

Will microwaving a flash drive destroy the data on it?

After reading the answers on Permanently delete files from a flash drive, where the top rated answer was simply to pulverize it with a hammer, I wondered whether a microwave could be used to the same ...
9
votes
7answers
5k views

What is the fastest way to securely overwrite an old hard drive? [duplicate]

Possible Duplicate: Securely erasing all data from a hard drive I'm going to give my HDD away, so I'm writing it full of crap so there is no possibility to recover any of my files I had ...
0
votes
1answer
336 views

What is the fastest way to semi-securely wipe hard drive?

Given dd if=/dev/zero of=/dev/sda provides sufficient wiping for our purposes, what is the fastest way to "zero" the drive? I have heard of this "Secure Erase" feature that is built in to hard ...
16
votes
5answers
13k 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 ...
1
vote
2answers
357 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 - ...
2
votes
0answers
324 views

Why does my disk ignore erase and write commands to some sectors?

I did an ATA secure erase on an SSD (with SystemRescueCD and hdparm). Some parts of the disk are reset to zero, but some parts are not. In particular, the MBR and the boot sector of a Windows Vista ...
2
votes
1answer
1k views

How to do secure erase of CF card over USB in Linux?

I have a CF card I'd like to erase. My CF card reader is connected to my Linux machine via USB. How do I do a secure erase (i.e., the ATA Secure Erase functionality) of the CF card? I have tried ...
2
votes
2answers
2k views

What are the techniques for securely erasing data in Linux? [duplicate]

Possible Duplicate: How to wipe free disk space in Linux? This question is inspired by What is the best tool for file-shredding on a memory card?, in which brice recommended the simple ...
4
votes
3answers
2k views

Securely delete files that were already 'deleted'

So I know that there are many utilities that can delete files securely by zeroing the location (on a regular hard drive here), and there are many utilities that can scan a drive to find 'deleted' ...
1
vote
1answer
251 views

How to destroy a hard drive? [duplicate]

Possible Duplicate: Dispose or Recycle Hard Drive I have some old hard drives that I want dispose. I don't have access to compatible hardware to erase the contents. What is a simple, safe ...
0
votes
1answer
541 views

How wipe one sector of hard drive in Windows

How would I go about wiping a specific sector of my hard drive from Windows? I mean the hard drive in use... Either wipe with zeros or replace with random data. Is there any script or program that ...
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 ...
3
votes
5answers
5k views

How to quickly and effectively wipe a Win7 x64 hard drive

I have a Windows 7 Enterprise x64 system and need to wipe the 1.5TB hard disk drive quickly and effectively. Quick, I guess, is a relative term; so more quickly than I've seen with some wipe utilities ...
2
votes
4answers
1k views

sdelete alternative on osx

In the sysinternals suite for windows there is this nifty sdelete tool for securely deleting individual files as well as overwriting unallocated disk space with randomness or zeroes ( the -c or -z ...
3
votes
1answer
662 views

Secure delete logs in Mac OS X

Securely erasing data from OS X is easy. But is there a way to securely erase all logfiles (including the system logs contained in some database) without actually messing the system up?
8
votes
2answers
2k views

How often do you have to wipe/shred your files, to make them not undeletable

If you have a private data on a recent, normal hard drive - how often do you have to delete the data, to make it unrecoverable. Not in the sense, that a forensic team of 20 experts with a budget of ...
3
votes
1answer
383 views

Windows built-in Cipher secure wipe

How secure is the bulit-in Cipher utility that can wipe out unrecoverable data on old harddisk?
2
votes
2answers
381 views

Data Shredder software [closed]

We use "eraser" and "o&o safe erase" to shred important documents on hard disk. Does anyone use another software in Windows for wiping, what are the advantages ? Thank you very much.
0
votes
1answer
947 views

How to secure erase free space on a Mac

I have a Macbook with an upgraded, but previously used hard drive. I know that Macs have an option to 'securely delete' files, which essentially copies over all the file data with random 0's and 1's. ...
1
vote
4answers
612 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 ...
1
vote
1answer
46 views

Scanning for erased files

Here's what I want to do: Scan for files that have been deleted Erase/wipe the hard drive blocks that those files use to reside on Basically, I'd like to put these blocks through what Eraser does ...
3
votes
3answers
398 views

When erasing freespace, why do utilities write random strings of data?

I've been reading about various utilities that erase the free space on your hard drive, and they all talk about doing multiple passes of writing random strings of 1's and 0's using various ...
11
votes
5answers
6k views

How to erase a hard drive with unwritable sectors?

So I have a hard drive that is failing. I want to erase the data on it before sending it for replacement. I'm trying to use dd if=/dev/zero of=/dev/sdXX, but it stops at the first write error. How can ...
1
vote
1answer
1k views

Is it possible to wipe Windows 7 without using a CD or Flash drive?

I am on a work contract for 1 week, during this time I've been assigned an old laptop which I installed Windows 7 on. When the week is done I want to wipe the system, something like FDisk, really ...
1
vote
1answer
148 views

Attributes, How can change them on Disk?

I have a DVD-RW disk and I got a file on it that I want to take off. However, it is "Read Only" and it wont let me do anything to this file I can't even erase my disk or format the disk. I would like ...
19
votes
4answers
10k views

Is using multiple passes for wiping a disk really necessary?

To stupid people, like me, you would have thought overwriting each bit on a disk would render the data completely unrecoverable. Why do disk wiping tools have the option for multiple passes, i.e. 3 ...