A recent botnet which infected the PCs with malicious Zeus kit,  just hit the killswitch taking down 100,000 PCs. The Washington Post recently wrote about the botnet using the Zeus kit, which steals information from the infected PCs using a Trojan.

Charlie Miller, last year’s Pwn2Own winner did it again by hacking into Safari at this year’s Pwn2Own and took control of the MacBook on which the malicious link was clicked.

Later in the day, IE8 and Firefox also fell on the hands of the malicious code of White-Hatter Nils.

The presentations and whitepapers from the Black Hat DC conference are available here.

Sans.org has published a list of top 25 most dangerous programming errors. These errors have been compiled by a team of US and other international anti-cybercrime organizations. Two of these erors lead to more than 1.5 million security breaches during 2008.

As a CCNA I am asked a lot of times by curious friends or relatives about various precautions they can take to keep their Wi-Fi network safe from hackers or unauthenticated users. So today I thought of compiling some simple steps in a post which I usually recommend to keep the wireless network secure. These settings can be configured/changed in admin page of your Wi-Fi router by putting in the IP address of your router in a browser’s URL toolbar.

Change the default password

Each router has a default username and password, and you should always change these the moment you start configuring the router. If the router’s password is either unchanged common or weak, a hacker might be able to reconfigure the router and wipe out all your other security measures, making them useless. You should try to use a good mix of numbers and characters to be on the safe side.

Disable the DHCP service

DHCP (Dynamic Host Configuration Protocol) enables remote computers connected to the router to obtain an IP address and connect to the network without needing to know the IP and Router address information. Disabling the DHCP services is

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