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2. Password cracking - Wikipedia

   en.wikipedia.org/wiki/Password_cracking

   In cryptanalysis and computer security, password cracking is the process of guessing passwords [1] protecting a computer system. A common approach ( brute-force attack ) is to repeatedly try guesses for the password and to check them against an available cryptographic hash of the password. [ 2 ]

3. Hydra (software) - Wikipedia

   en.wikipedia.org/wiki/Hydra_(software)

   Hydra works by using different approaches, such as brute-force attacks and dictionary attacks, in order to guess the right username and password combination. Hydra is commonly used by penetration testers together with a set of programmes like crunch, [ 3 ] cupp [ 4 ] etc, which are used to generate wordlists based on user-defined patterns.

4. Brute-force attack - Wikipedia

   en.wikipedia.org/wiki/Brute-force_attack

   When password-guessing, this method is very fast when used to check all short passwords, but for longer passwords other methods such as the dictionary attack are used because a brute-force search takes too long. Longer passwords, passphrases and keys have more possible values, making them exponentially more difficult to crack than shorter ones ...

5. Rainbow table - Wikipedia

   en.wikipedia.org/wiki/Rainbow_table

   To generate the table, we choose a random set of initial passwords from P, compute chains of some fixed length k for each one, and store only the first and last password in each chain. The first password is called the starting point and the last one is called the endpoint. In the example chain above, "aaaaaa" would be the starting point and ...

6. What to Know Before Changing a Password - AOL

   www.aol.com/products/blog/what-to-know-before...

   If someone can easily guess your password, they can easily access your information online. ... Audit your passwords – Several standalone or integrated password testing tools are available online ...

7. Ophcrack - Wikipedia

   en.wikipedia.org/wiki/Ophcrack

   Ophcrack is a free open-source (GPL licensed) program that cracks Windows log-in passwords by using LM hashes through rainbow tables.The program includes the ability to import the hashes from a variety of formats, including dumping directly from the SAM files of Windows, and can be run via the command line or using the program’s GUI (Graphical user interface).

8. These Are the Passwords That Hackers Will Guess First - AOL

   www.aol.com/passwords-hackers-guess-first...

   Avoid these common, easy-to-crack passwords...unless you want to end up as the victim of a hacker. The post These Are the Passwords That Hackers Will Guess First appeared first on Reader's Digest.

9. Crack (password software) - Wikipedia

   en.wikipedia.org/wiki/Crack_(password_software)

   The first public release of Crack was version 2.7a, which was posted to the Usenet newsgroups alt.sources and alt.security on 15 July 1991. Crack v3.2a+fcrypt, posted to comp.sources.misc on 23 August 1991, introduced an optimised version of the Unix crypt() function but was still only really a faster version of what was already available in other packages.