From the category archives:

Computer Security

Solving FBI’s 2008 Code Cracking Challenge

December 29, 2008

The Federal Bureau of Investigation (FBI) has issued a code cracking challenge today. This was in response to a similar challenge the FBI issued last year, which proved to be hugely popular with many thousands responding to the crypto challenge. The FBI Code Cracking Challenge The FBI embedded the above code as a flash file. [...]

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Strong Password Suggestions using a Password Chart

October 16, 2008

I think I came across one of the best strong password generators on the Internet at Password Chart. Picking a strong password is very important. A strong and secure password should go beyond just a simple number such as passw0rd where you replace the o with a zero(0) or a special character in the end [...]

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Generate Secure Passwords using the Enigma Code Machine

October 15, 2008

The Enigma was a rotor machine used by the German Military during WW II to encrypt messages they sent to each other. It was invented by German Engineer Arthur Scherbius in 1923. The Enigma Code Machine consisted of a plugboard, three rotors and a reflector which redirected the electrical current. Each letter entered by a [...]

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What is Defense in Depth

July 13, 2008

Defense-in-depth is fundamental to the design of a secure system. It stems from the idea that software can have flaws; people can make configuration mistakes; and hardware devices can fail. To compensate for events like these, we do not want to rely on a single mechanism to defend our resources. Instead, we deploy multiple layers [...]

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Computer Security Tips and Best Practices

June 7, 2008

Protecting yourself is very challenging in the hostile environment of the internet. Imagine a global environment where an unscrupulous person from the other side of the planet can probe your computer for weaknesses, and exploit them to gain access to your most sensitive secrets. They can even use your computer to store data like stolen [...]

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