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Friday, August 7, 2009

Techniques for guessing passwords

Even without sharing our passwords, hackers can use different computer
techniques to crack the passwords. Hackosis calculator gives an idea how strong the password and how long it will take a computer program to crack a password.

Hackers widely use the "dictionary attack" or the "brute force" method to break a password. And many of them use these methods to find the password without using a super computer.

The "dictionary attack" method uses mostly words in the dictionary to guess the passwords and may add a number at the beginning or in the end for best guesses. The "brute force" method uses a crypto analysis techniques to find more complex words that has a combination of "alpha" "numeric" and "special" characters in them.

Techniques for guessing passwords:

Try default passwords.
Try all short words, 1 to 3 characters long.
Try all the words in an electronic dictionary(60,000).
Collect information about the user’s hobbies, family names, birthday, etc.
Try user’s phone number, social security number, street address, etc.
Try all license plate numbers
Use a Trojan horse
Tap the line between a remote user and the host system.

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