Friday, January 28, 2011

Web Feature: How Secure Is My Password

     If you want to know if your password is secure enough, this website will give you a rough idea. HowSecureIsMyPassword will calculate your password strength and present it in terms of time it will take a desktop PC to hack your password using the brute force method.

     HowSecureIsMyPassword uses JavaScript to calculate the password strength. Because javascript is a client side script (calculation/operation are done on your local PC and not on the website's server), it is safe to use since the password string will not be transmitted. But if you are very cautious, you can also disconect your internet connection after loading the page. Then do your calculations on their page while offline. After you are done, clear your browser's cache and cookies before reconnecting to the internet.
     The calculations' result is accurate although in real brute force attack of your password, many factors will affect the time it will take. This involves the computing power of the PC used for the attack and the type of account the password is used for. Many online accounts has maximum attempt limits and will lockout the account for the day after such number of failed attempts.

Screen capture: Calculation of my password strength.

Screen Capture: Fooling around with the calculator. Trying to get the maximum strength password.


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