Security Corner:

July, 2008

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July 31, 2008  3:32 AM

Thwart malware attacks with a hosts file

Ken Harthun Ken Harthun Profile: Ken Harthun

I'm flattered that Windows Secrets took my suggestion and published an article based on it. (Thanks, Scott!) I can't give you a link because the article is only available to paid subscribers of the newsletter, but I will give you an...

July 29, 2008  10:47 AM

The Lazy Man’s Way to System Security

Ken Harthun Ken Harthun Profile: Ken Harthun

A good many people have responded to my various articles on system security. Most of the feedback has been positive, but many wondered if there might be a simpler approach, some basic things you...


July 27, 2008  4:09 PM

Nine Steps to System Security – 2008

Ken Harthun Ken Harthun Profile: Ken Harthun

It isn’t getting any better on The Wild, Wild Web, despite state and federal government attempts to arrest and prosecute those responsible for electronically-perpetrated criminal acts. Spyware and malware of all kinds are increasingly more stealthy and difficult to remove thanks to


July 25, 2008  1:45 AM

Sure-fire Spam Zombie Killer

Ken Harthun Ken Harthun Profile: Ken Harthun

The other day, I got a call from one of my clients who said that their email was bouncing back from people they had always been able to send to. I investigated and found that the error message was to the effect of <hostname.domain #5.5.0 smtp;550 Blocked;Spam/Zombie address listed at...


July 22, 2008  12:26 AM

If Spam Has You Irate, Obfuscate!

Ken Harthun Ken Harthun Profile: Ken Harthun

Spam email is not only a nuisance, it's a security risk. Most of the viruses, worms, and trojans floating around these days are transmitted in one form or another via spam. The threat can be attached directly to the email or it can rely on some subterfuge to get a clueless victim to click on a link...


July 19, 2008  12:58 AM

Unpatched PC “0wn3d” in Four Minutes or 16 Hours; Which is it?

Ken Harthun Ken Harthun Profile: Ken Harthun

I just love stories like this one. On the one hand, Internet Storm Center researchers say an unpatched PC connected to the Internet will be compromised in less...


July 17, 2008  1:07 AM

Windows SteadyState Can Protect Your Family & Your Family Computer

Ken Harthun Ken Harthun Profile: Ken Harthun

A while back, I used the Microsoft Public Access Computer Security Tool, predecessor to Windows SteadyState, to secure a...


July 5, 2008  2:43 PM

The #1 Security Priority: Protect The Information

Ken Harthun Ken Harthun Profile: Ken Harthun

SANS recently reported that a Ponemon Institute survey, commissioned by Dell,...


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