Security Corner:


April 29, 2013  7:49 PM

Log out and shut down!

Posted by: Ken Harthun
Secure Computing, Security, Security best practice

Are you one of those people who leave their computers logged into everything all the time? If not, then good for you, but I bet you know someone who does. It's a bad idea. Even if you run with a limited user account, you're at risk. An XKCD cartoon does a fine job of illustrating.

April 28, 2013  11:54 PM

“Memory Hard Problem” thwarts password cracking

Posted by: Ken Harthun
Cybercrime, Password, Security, Security management

In one of his famous "propeller head" episodes, Steve Gibson of Security Now! podcast fame describes an algorithm that thwarts even the most powerful super computers' attempts at cracking passwords. Episode 388 [MP3] in January, 2013...

April 19, 2013  4:30 PM

Video: The Internet Password Minder Protector Minder

Posted by: Ken Harthun
Fun stuff, Humor, Password, Security, Security management


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April 17, 2013  3:04 PM

Despicable cyber-slugs exploiting Boston Marathon bombing with Trojan attack

Posted by: Ken Harthun
Cyber-criminal, Cybercrime, Security, spam

Despicable, but it's always inevitable in the wake of any human tragedy. Cyberslugs (I won't elevate them to cybercriminal status, though they are certainly criminals) are using the Boston Marathon bombing to spread malware. Spam emails claim to contain a link to video of the bombing. The links...

April 9, 2013  1:44 AM

Could my client’s server be part of the Spamhaus DDoS attack?

Posted by: Ken Harthun
Cybercrime, DDoS, Denial of Service, DNS amplification, DNS reflection, Security, Security management, Vulnerabilities

In the wake of what is reported to be the

March 31, 2013  10:17 PM

Beware of Easter holiday scams

Posted by: Ken Harthun
Scam, Security, spam

I know I probably don't have to mention this, but beware of scammers targeting the Easter holiday. Same tricks, different holiday. (I know this is a bit late in coming since it's already late on Easter Sunday, but it's just as valid for next year.) Some examples:

  • Emails with the subject...

March 30, 2013  3:01 PM

Spamhaus target of massive DDoS attack

Posted by: Ken Harthun
DDoS, Denial of Service, DNS amplification, DNS reflection, Secure Computing, Security

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March 27, 2013  2:27 AM

Are you personally prepared for disaster?

Posted by: Ken Harthun
Security, Security best practice

Doomsday Preppers is a popular (in some circles) American reality television series that airs on the 

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March 18, 2013  10:35 PM

Security Now! Illustrated is a great resource for security training

Posted by: Ken Harthun

My readers know that I'm a diehard

March 18, 2013  1:22 PM

Security blogger Brian Krebs targeted by cybercriminals

Posted by: Ken Harthun
DDoS, Denial of Service, Krebs on Security, Security

Anyone who knows anything about security researchers and bloggers knows of Brian Krebs and his blog,; nevertheless, here's some background in case you're wondering:

Brian Krebs worked as a reporter for The Washington Post...

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