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Questions tagged [file-shredding]

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3
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1answer
99 views

Does copying and pasting files create sparse files?

Suppose I copy and paste large files numerous times to fill up the free space. Will doing so actually override data into the HD blocks or will it create "sparse" references into existing data in the ...
1
vote
1answer
134 views

Does shredding a hard disk drive decrease its lifetime and/or performance?

I'm trying to shred a 1TB hard disk drive with this command: dd if=/dev/zero of=/dev/sda bs=512 count="total sector number " But unfortunately, I'm interrupted twice because of power failure. So ...
1
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3answers
4k views

How do I wipe a USB drive using dd on cygwin on Windows?

I am trying to use dd to wipe a usb drive using Cygwin on Windows. What should I use for the of argument? dd if=/dev/null of=?
0
votes
1answer
219 views

How to safely shred unlinked files on a Unix-based file system?

Scenario: After working with a confidential file (e.g. PDF a bank statement), you typed: rm my-confidential-file (or the famous Shift-Delete action in a GUI-based file browser such as nautilus) ...
-1
votes
1answer
28 views

copy protection and scheduled destruction of external devices [closed]

I want to share a video with my friends, I want it to be exclusive to him and for a limited period of time. Devices which I use can be pendrive, hardrive or dvd. I don't mind loosing the device ...
1
vote
1answer
11k views

What is the best way to shred files on a SSD [duplicate]

I was about to shred files on a new Solid State Drive but the shredding app warned me it was not a good idea because it would be inefficient and would also reduce the lifespan of the drive. Is there ...
4
votes
3answers
2k 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
3answers
789 views

What shredding utility can I use?

I happen to know that formatting a disk even 10 times does not destroy everything. Is there a good shredding utility I can use on Linux ?
10
votes
5answers
23k views

Shredding files in windows

Is there a built-in cmd command/utility on Windows that can shred files (delete and overwrite with random data) without the need to use third party software? In linux i would use shred. It a wonderful ...
2
votes
2answers
224 views

Faster tool than shred to make files a bit difficult to recover?

I need to shred files, but there are too many files and shred takes ages for each file. Each file is 4GB. Is there a faster tool than shred -n 1? Strangely, shred -n 1 on a 4GB file takes MORE time ...
2
votes
1answer
543 views

How to safely zero fill a file in a compressed filesystem in Linux?

I had read that the shred doesn't safely work for compressed filesystems when shredding a file, how this can be accomplished in a compressed fs ?
3
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4answers
1k views

How to shred already removed file on modern filesystem? (randomize free space, journal, tails, … securely)

Consider the following: mount | grep home ... type reiserfs ... rm -Rf /home/user/over_9000_little_and_big_super_secret_files/ # oops, I should have shredded it instead. How can I properly and ...
0
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1answer
1k views

DBAN MD5SUM Hash for Version 2.2.6 (i586)

Found this forum thread on SourceForge, but the MD5SUM Hash is for "dban.bzi", so that doesn't help at all. I checked elsewhere in the SourceForge forums, but I didn't find anything else. I also ...
2
votes
2answers
433 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.
1
vote
1answer
2k views

gnu shred: can I pause/abort/resume?

GNU shred takes quite some time to write over a 500GB HD. Can I pause/abort/resume? I have specified that it should be re-written over 3 times, but can I quit (Ctrl-C ?) and call it a day?
0
votes
4answers
569 views

An “easy” way to securely delete files on a Unix box?

Command line tools, like "shred", come with many disclaimers about situations where they may not securely delete files. I had an idea for a cheap'n'easy way to do it and wanted advice. How about ...
0
votes
2answers
438 views

FOSS Wipe free space (7, 35 passes)

I know there are tools on linux that can do this (sfill) as well as windows (ccleaner). However I would prefer FOSS that does this. To my knowledge Eraser does not wipe free space... If it does I ...
0
votes
1answer
3k views

What is the best tool for file-shredding on a memory card? [duplicate]

Possible Duplicate: Is there a program to truly delete all deleted files? Hi, I want to shred the contents of my memory card and I don't want to be able to recover any files from that memory card....
0
votes
1answer
57 views

shredding a particular drive in my PC? [duplicate]

Possible Duplicate: Erasing data before selling a computer Hi, I want to shred a particular drive in my PC and i dont want to recover any files from that drive...Is it possible??If so den which ...
2
votes
2answers
1k views

Securely delete MySql Database

I am running Mysql5 on a Windows Xp machine on NTFS . I want to permanently delete a database containing sensitive data such that when the operating system is not active it is not possible to use raw ...
13
votes
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 ...