Search results
Results from the WOW.Com Content Network
This cryptography-related article is a stub. You can help Wikipedia by expanding it.
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 ]
Bullrun (stylized BULLRUN) is a clandestine, highly classified program to crack encryption of online communications and data, which is run by the United States National Security Agency (NSA). [ 1 ] [ 2 ] The British Government Communications Headquarters (GCHQ) has a similar program codenamed Edgehill .
The salt and hash are then stored in the database. To later test if a password a user enters is correct, the same process can be performed on it (appending that user's salt to the password and calculating the resultant hash): if the result does not match the stored hash, it could not have been the correct password that was entered.
The Secure Remote Password protocol (SRP) is an augmented password-authenticated key exchange (PAKE) protocol, specifically designed to work around existing patents. [1]Like all PAKE protocols, an eavesdropper or man in the middle cannot obtain enough information to be able to brute-force guess a password or apply a dictionary attack without further interactions with the parties for each guess.
This hash harvesting technique is more advanced than previously used techniques (e.g. dumping the local Security Accounts Manager database (SAM) using pwdump and similar tools), mainly because hash values stored in memory could include credentials of domain users (and domain administrators) that logged into the machine. For example, the hashes ...
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).
Credential stuffing is a type of cyberattack in which the attacker collects stolen account credentials, typically consisting of lists of usernames or email addresses and the corresponding passwords (often from a data breach), and then uses the credentials to gain unauthorized access to user accounts on other systems through large-scale automated login requests directed against a web ...