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  2. Password cracking - Wikipedia

    en.wikipedia.org/wiki/Password_cracking

    Password cracking. In cryptanalysis and computer security, password cracking is the process of recovering passwords [1] from data that has been stored in or transmitted by a computer system in scrambled form. A common approach ( brute-force attack) is to repeatedly try guesses for the password and to check them against an available ...

  3. Brute-force attack - Wikipedia

    en.wikipedia.org/wiki/Brute-force_attack

    A brute-force attack is a cryptanalytic attack that can, in theory, be used to attempt to decrypt any encrypted data (except for data encrypted in an information-theoretically secure manner). [1] Such an attack might be used when it is not possible to take advantage of other weaknesses in an encryption system (if any exist) that would make the ...

  4. John the Ripper - Wikipedia

    en.wikipedia.org/wiki/John_the_Ripper

    John the Ripper is a free password cracking software tool. [3] Originally developed for the Unix operating system, it can run on fifteen different platforms (eleven of which are architecture-specific versions of Unix, DOS, Win32, BeOS, and OpenVMS ). It is among the most frequently used password testing and breaking programs [4] as it combines ...

  5. Microsoft Office password protection - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Office_password...

    Passwords that do not encrypt but restrict modification and can be circumvented. In Word and PowerPoint the password restricts modification of the entire document. In Excel passwords restrict modification of the workbook, a worksheet within it, or individual elements in the worksheet. History of Office encryption Weak encryptions

  6. How to block hackers from stealing your passwords - AOL

    www.aol.com/lifestyle/block-hackers-stealing...

    How A Password Manager Can Help. ... It’s called a password manager because it creates, organizes and fills in highly encrypted passwords for you. “I use a program called LastPass, and I set ...

  7. Salt (cryptography) - Wikipedia

    en.wikipedia.org/wiki/Salt_(cryptography)

    Salt (cryptography) In cryptography, a salt is random data fed as an additional input to a one-way function that hashes data, a password or passphrase. [1] Salting helps defend against attacks that use precomputed tables (e.g. rainbow tables ), by vastly growing the size of table needed for a successful attack.

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