Security Corner:

Data destruction


September 30, 2012  9:41 PM

Humor: How to destroy a hard drive in three easy steps



Posted by: Ken Harthun
Data destruction, Humor, Security, Tools

Couldn't resist a bit of Sunday humor... If you are looking to thoroughly and securely wipe a hard drive, here's how to do it:

  1. Build a huge Tesla coil (a least 1 million volts);
  2. Place hard drive as shown in illustration below;
  3. Run Tesla coil for at least one...

April 26, 2011  11:25 PM

Extremely Robust Security, the Google Way



Posted by: Ken Harthun
Data destruction, Data sanitization, physical security, Security best practice, Video

Google recently released a video shows the...


May 29, 2010  1:39 PM

FTC Investigates Photocopier Data Security Risks



Posted by: Ken Harthun
Data destruction, FTC, Privacy, security awareness

My April 26, 2010 post, "Security Risk of Digital Copiers," I reported on the issue of permanent storage of images on copier hard drives and the potentially serious security risks associated....


April 26, 2010  8:03 PM

Security Risk of Digital Copiers



Posted by: Ken Harthun
Data destruction, Data sanitization, Encryption, Identity Theft, Privacy, Security

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April 24, 2010  1:16 AM

Brute Force Data Destruction



Posted by: Ken Harthun
Data destruction, Data sanitization, Security

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March 20, 2009  1:35 AM

Another Little Known Tool to Securely Delete Files, Folders, and Volumes



Posted by: Ken Harthun
Cryptography, Data destruction, Data sanitization, Encryption, Opinion, Secure drive wipe, Security, Security management

Why, all of a sudden, is everyone concerned about secure file deletion? I hesitate to say it’s a sign of the poor economy, but perhaps people consider it even more important to protect their personal information when the idea of losing control of their assets—and their...


February 28, 2009  4:11 PM

Use This Little Known Tool to Securely Delete Files and Folders on Your Hard Drive



Posted by: Ken Harthun
Command line, Data destruction, Data sanitization, Microsoft, Microsoft Windows, Tools

For those who grew up with the graphical user interface, command line tools are often seen as arcane remnants from the dawn of PC history, a time when badly-dressed nerds sporting horn-rimmed glasses and pocket protectors ruled the universe (well, maybe just the computer lab). For them, nearly...


January 18, 2009  1:34 AM

The Great Drive Wiping Controversy Settled at Last



Posted by: Ken Harthun
Data destruction, Data sanitization, Secure Computing, Secure drive wipe, Security

How many times do you have to overwrite a hard drive in order to securely wipe it? This question has been at the center of an ongoing controversy for a long time. On the one hand, we've had Peter Gutmann saying it takes 35 passes (Gutmann, P.  (1996) “


November 21, 2008  2:02 AM

How to Quickly & Securely Erase a Hard Drive



Posted by: Ken Harthun
Data destruction, Data sanitization, Security, Storage

Over at Ask the Geek, I often receive questions about how to properly erase a PC hard drive so personal data can't be recovered. Clients also ask similar questions, particularly those involved in medical, dental, or financial practices....


March 24, 2008  9:06 PM

Encrypt, You Must, But Do It Right!



Posted by: Ken Harthun
Cryptography, Data destruction, Encryption, Security, Storage

EncryptionOne of the clients I service has information that falls under HIPAA. Prior to last week, all of the data was stored on a server located behind a strong firewall in a building with good...


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