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

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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 ...
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1answer
2k 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 ...
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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 pattern ...
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3answers
4k 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' ...
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1answer
279 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 and ...
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1answer
756 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 ...
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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 ...
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5answers
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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 ...
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4answers
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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 ...
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1answer
740 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?
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3answers
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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 ...
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1answer
562 views

Windows built-in Cipher secure wipe

How secure is the bulit-in Cipher utility that can wipe out unrecoverable data on old harddisk?
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2answers
404 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.
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1answer
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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. ...
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4answers
820 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 ...
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1answer
49 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 ...
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3answers
410 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 algorithms.....
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5answers
9k 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 ...
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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 ...
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1answer
163 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 ...
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4answers
17k 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 ...
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2answers
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Can any trusted security sources recommend Eraser - eraser.heidi.ie (a Windows Application)?

Anyone familiar with the quality/security of the secure erasure application ERASER? Or come across any articles from experts about it? http://eraser.heidi.ie/
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1answer
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Securely Delete unused disk space [duplicate]

Possible Duplicate: Is there a program to truly delete all deleted files? I recently moved a bunch of files off my harddrive. How can I zero out the unallocated disk space to make sure all ...
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5answers
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Bulk erase Zip disks

I have a few dozen old iomega ZIP disks (100MB and 250MB) that I found cleaning house and I'd like to bulk erase them without mounting them on a computer. Any suggestions?
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3answers
309 views

What is a good method to automatically wipe a directory or drive if I do not check in for a period of time?

I'm looking for a good method to automatically wipe a directory or drive if I do not check in for a specified period of time. (eg: Someone on a cellphone hits me and I die.) The ideal method would ...
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2answers
288 views

Program to wipe HD? [duplicate]

Possible Duplicate: Securely format a hard drive How to wipe a USB hard drive What is a freeware app i can use to wipe a HD? I have two 1) My external which is <1yr old and is reported '...
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6answers
2k views

Erase personal data from corporate laptop [duplicate]

Possible Duplicate: How to secure delete file or folder in windows? I need to delete my data from the company laptop. Nothing special just 2 or 3 folders (I have Dropbox installed on this PC) ...
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1answer
4k views

hdparm - how to secure erase SATA SSD over USB

I have been following this guide on how to secure erase an SSD (trying to improve the performance of mine, which currently only writes at about 30mb/s seq). However, I'm using an USB-->Sata docking ...
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3answers
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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?
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2answers
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Best (preferably free) tool to wipe deleted files on an NTFS filesystem [duplicate]

Possible Duplicate: Is there a program to truly delete all deleted files? I am looking for a tool that wipes (overwrites) unlinked files; preferably something that runs as a kind of disk ...
2
votes
9answers
2k views

Erasing information off dead computers

I have an old laptop that has a motherboard problem that I want to get rid of. It does not boot, nor run the bios POST. I'm sensitive about leaving information on the hard drive. What is a good way ...
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3answers
719 views

Secure Hard Drive Erasure Revisited in OS X

So I have a Seagate 2TB bare drive in an external enclosure as my Time Machine backup drive. It has been acting up and giving SMART errors. I decided I should RMA or replace it before it dies ...
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6answers
1k views

Securely format a hard drive [duplicate]

Possible Duplicate: Erasing data before selling a computer I have just taken 8 old 250gb drives out of one of our servers. I need to securely wipe all the data on these drives, before they are ...
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7answers
2k views

How to delete my hard drive safely? [duplicate]

Possible Duplicate: Erasing data before selling a computer How do I wipe my hard drive? On my iMac that I had, it had a process where it met some government standard in terms of safety by going ...
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?
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6answers
836 views

What is a safe way to dispose of personal info on an old laptop and what to do with said laptop?

I have an old laptop someone gave me that only has 64Megs of RAM on it and runs WIN XP. I wanted to wipe the drive clean by installing Ubuntu Desktop to remove any shred of personal information on it ...
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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, ...
6
votes
4answers
4k views

How is OS X Disk Utility's secure erase mode in comparison to other commerical secure delete methods/apps?

Within OS X, the utility Disk Utility has a secure erase for hard drive formatting. It has 1,7, and 33 pass options, which to my knowledge are very good writting random data to the drive. What does ...
105
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 ...
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7answers
7k views

Does using TrueCrypt makes “file shredding” tools obsolete?

On Windows, I frequently use Eraser, to delete securely the files I remove. I've been looking at TrueCrypt recently, and its whole disk encryption. If I encrypt the whole disk, does that make using ...
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. ...