Archive for the 'Security' Category

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15th April Comments

How to Detect and Prevent Psyb0t, the Linux Router Worm

Posted on April 15th, 2009 at 4:52 am

 
The Psyb0t worm infects Linux-based routers, including consumer-level broadband routers, and turns them into botnet nodes. Psyb0t finds easy entry because they are misconfigured. Eric Geier tells how to find out if you are infected and what to do about it, and gives sound advice that is pertinent to all routers.
Pay Attention folks this [...]

Posted in Security

1st April Comments

Detecting Conficker with Linux Tools

Posted on April 1st, 2009 at 7:15 am

 
As Linux sysadmins, many of us still need to deal with Windows worms and how they affect our networks. Today is April 1st, and the Conficker worm will be activating on vulnerable computers everywhere. Here’s a quick HOW-TO showing how you can detect compromised and/or vulnerable computers on your network:read more
You might learn something [...]

Posted in Security

26th March Comments

Hackers steer clear of Google Chrome, say too challenging

Posted on March 26th, 2009 at 9:27 am

At the CanSecWest security conference in Vancouver BC, hackers were invited to find and exploit holes in modern browsers. A popular target for hackers at this year’s conference was Safari on a Mac — definitely the lowest hanging fruit.
Charlie Miller explains that it’s not whether a product has holes (all of them do), its how [...]

Posted in Security, Software

25th March Comments

Worm targets Linux home routers

Posted on March 25th, 2009 at 6:44 pm

A worm has been used to build a botnet consisting of DSL routers running Linux, which may be still evolving, according to security training organisation the Sans Institute.
After becoming infected, the network of routers was used to launch a denial-of-service attack earlier in March against DroneBL, an organisation that maintains a DNS blacklist. Sans Institute [...]

Posted in Linux, Security

24th March Comments

Pwn2Own 2009: Safari/MacBook falls in seconds

Posted on March 24th, 2009 at 7:24 am

VANCOUVER, BC — Charlie Miller has done it again. For the second consecutive year, the security researcher hacked into a fully patched MacBook computer by exploiting a security vulnerability in Apple’s Safari browser.
“It took a couple of seconds. They clicked on the link and I took control of the machine,” Miller said moments [...]

Posted in Security

28th February Comments

Seven Must-Have Firefox Security Add-Ons

Posted on February 28th, 2009 at 8:00 am

 
Mobile workers are especially vulnerable because they operate outside corporate security systems, and often return home to unload nasties into the company network. Paul Rubens finds seven excellent Firefox plugins to help protect the mobile worker.
Personally I use all but two of these little rascals and I might have to check into the others [...]

Posted in Networking, Security

30th January Comments

The oldest trick in the book, literally, defeats UAC in Windows 7

Posted on January 30th, 2009 at 11:28 am

Though the fellows sounding the warning today are the best in the business, it didn’t take a lot of know-how to develop a proof-of-concept that the new User Access Control panel can be disabled by VBScript.
Windows 7 is still in the public beta process, and will be for some months to come. The purpose of [...]

Posted in Billyware, Security

22nd January Comments

Downadup worm now infects 1 in every 16 PCs, says Panda Security

Posted on January 22nd, 2009 at 7:39 am

The computer worm responsible for the biggest attack in years has infected at least one out of every 16 PCs worldwide, a security company said today, and it may have managed to compromise as many as nearly one in three.
According to Panda Security, almost 6% of the Windows systems scanned with its antivirus technology were [...]

Posted in Security

7th January Comments

A rare peek at Homeland Security’s files on travelers

Posted on January 7th, 2009 at 8:24 am

Now as a traveler to Canada on many trips this article has me thinking and also requestiing my personal information after reading this, Baldy.
The oversize white envelope bore the blue logo of the Department of Homeland Security. Inside, I found 20 photocopies of the government’s records on my international travels. Every overseas trip I’ve taken [...]

Posted in Personal, Security

28th December Comments

Top 10 Linux Security Tools

Posted on December 28th, 2008 at 7:45 am

 
You can never be too safe these days. Viruses, spyware, rootkits, remote exploits, you just never know what security issue is going to be your downfall. That’s why it is important as a Linux administrator to have an understanding of some of the best Linux security tools available to you. In this article, you will [...]

Posted in Security

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