May 30, 2013  8:41 PM

Internet History, Technology, and Security course at

Posted by: Ken Harthun
Internet, Security

If you aren't familiar with, you need to get over there right now. I just completed the nine-week course Internet History, Technology, and Security. This is a must for anyone in tech who did not grow up pre-internet and a dance down memory lane for anyone who remembers slide...

May 29, 2013  8:02 PM

Is your password “qeadzcwrsfxv1331?”

Posted by: Ken Harthun
crackers, hackers, Password, Secure Computing, Security

If so, it has been cracked. And rather easily, I might add. How is it that a 16 character password with seemingly random characters could be easily cracked? The answer might surprise you and you'll definitely rethink the way you create passwords. An article on Ars Technica (

May 27, 2013  1:57 PM

To change or not to change passwords, that is the question.

Posted by: Ken Harthun


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May 26, 2013  12:12 PM

Cipher challenge: Can you decrypt this?

Posted by: Ken Harthun
Ciphers, Fun stuff, Security


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May 26, 2013  2:05 AM

Security Now! Illustrated – Episode 17: PPTP and IPSEC VPN Technology

Posted by: Ken Harthun
Security, Security Now!

I simply love these Ask Mr. Wizard animations and illustrations of Steve Gibson's Security Now! episodes. Here is the latest post, and it's a good one. Note: There are several segments to this series and this video will refer you to them at the Ask Mr. Wizard site. [brightcove]

May 25, 2013  4:54 PM

Twitter now has two-factor authentication

Posted by: Ken Harthun
Secure Computing, Security, Security best practice, Security management, Twitter Attack, Two-factor authentication


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May 22, 2013  3:51 PM

DO NOT open these attachments!

Posted by: Ken Harthun


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