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Password cracking

Index Password cracking

In cryptanalysis and computer security, password cracking is the process of recovering passwords from data that have been stored in or transmitted by a computer system. [1]

71 relations: Aircrack-ng, Algorithm, Anonymous (group), Application-specific integrated circuit, Ars Technica, Ashley Madison data breach, Bcrypt, Booz Allen Hamilton, Botnet, Brute-force attack, Cain and Abel (software), CAPTCHA, Carnegie Mellon University, CERT Coordination Center, Computer, Computer forensics, Computer security, Crypt (C), Cryptanalysis, Cryptographic hash function, Data (computing), Data Encryption Standard, DaveGrohl, Dictionary attack, Distributed.net, EFF DES cracker, ElcomSoft, Electronic Frontier Foundation, Entropy (information theory), Formal proof, General-purpose computing on graphics processing units, Georgia Tech Research Institute, Graphics processing unit, Hashcat, Homeland security, Imperva, John the Ripper, Key (cryptography), Key derivation function, Key stretching, LulzSec, MD5, MSNBC, NATO, NT LAN Manager, Nvidia Tesla, Operating system, Operation AntiSec, Passwd, Password, ..., Password Hashing Competition, Password strength, PBKDF2, Rainbow table, RC5, RockYou, Salt (cryptography), Script kiddie, Scrypt, Secure Hash Algorithms, Security token, SHA-1, System administrator, The Pentagon, United States Air Force, United States Central Command, United States Department of State, United States Marine Corps, United States Special Operations Command, Unix, Vigenère cipher. Expand index (21 more) »

Aircrack-ng

Aircrack-ng is a network software suite consisting of a detector, packet sniffer, WEP and WPA/WPA2-PSK cracker and analysis tool for 802.11 wireless LANs.

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Algorithm

In mathematics and computer science, an algorithm is an unambiguous specification of how to solve a class of problems.

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Anonymous (group)

Anonymous is a decentralized international hacktivist group that is widely known for its various DDOS cyber attacks against several governments, government institutions & government agencies, corporations, and the Church of Scientology.

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Application-specific integrated circuit

An Application-Specific Integrated Circuit (ASIC), is an integrated circuit (IC) customized for a particular use, rather than intended for general-purpose use.

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Ars Technica

Ars Technica (a Latin-derived term that the site translates as the "art of technology") is a website covering news and opinions in technology, science, politics, and society, created by Ken Fisher and Jon Stokes in 1998.

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Ashley Madison data breach

In July 2015, a group calling itself "The Impact Team" stole the user data of Ashley Madison, a commercial website billed as enabling extramarital affairs.

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Bcrypt

bcrypt is a password hashing function designed by Niels Provos and David Mazières, based on the Blowfish cipher, and presented at USENIX in 1999.

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Booz Allen Hamilton

Booz Allen Hamilton Inc. (informally: Booz Allen) is an American management and information technology consulting firm, sometimes referred to as a government-services company, headquartered in McLean, Virginia, in Greater Washington, D.C., with 80 other offices around the globe.

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Botnet

A botnet is a number of Internet-connected devices, each of which is running one or more bots.

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Brute-force attack

In cryptography, a brute-force attack consists of an attacker trying many passwords or passphrases with the hope of eventually guessing correctly.

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Cain and Abel (software)

Cain and Abel (often abbreviated to Cain) is a password recovery tool for Microsoft Windows.

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CAPTCHA

A CAPTCHA (an acronym for "Completely Automated Public '''T'''uring test to tell Computers and Humans Apart") is a type of challenge–response test used in computing to determine whether or not the user is human.

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Carnegie Mellon University

Carnegie Mellon University (commonly known as CMU) is a private research university in Pittsburgh, Pennsylvania.

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CERT Coordination Center

The CERT Coordination Center (CERT/CC) is the coordination center of the computer emergency response team (CERT) for the Software Engineering Institute (SEI), a non-profit United States federally funded research and development center.

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Computer

A computer is a device that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming.

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Computer forensics

Computer forensics (also known as computer forensic science) is a branch of digital forensic science pertaining to evidence found in computers and digital storage media.

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Computer security

Cybersecurity, computer security or IT security is the protection of computer systems from theft of or damage to their hardware, software or electronic data, as well as from disruption or misdirection of the services they provide.

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Crypt (C)

crypt is the library function which is used to compute a password hash that can be used to store user account passwords while keeping them relatively secure (a passwd file).

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Cryptanalysis

Cryptanalysis (from the Greek kryptós, "hidden", and analýein, "to loosen" or "to untie") is the study of analyzing information systems in order to study the hidden aspects of the systems.

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Cryptographic hash function

A cryptographic hash function is a special class of hash function that has certain properties which make it suitable for use in cryptography.

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Data (computing)

Data (treated as singular, plural, or as a mass noun) is any sequence of one or more symbols given meaning by specific act(s) of interpretation.

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Data Encryption Standard

The Data Encryption Standard (DES) is a symmetric-key algorithm for the encryption of electronic data.

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DaveGrohl

DaveGrohl is a brute-force password cracker for Mac OS X. It was originally created in 2010 as a password hash extractor but has since evolved into a standalone or distributed password cracker.

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Dictionary attack

In cryptanalysis and computer security, a dictionary attack is a technique for defeating a cipher or authentication mechanism by trying to determine its decryption key or passphrase by trying hundreds or sometimes millions of likely possibilities, such as words in a dictionary.

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Distributed.net

distributed.net is a distributed computing effort that is attempting to solve large scale problems using otherwise idle CPU or GPU time.

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EFF DES cracker

In cryptography, the EFF DES cracker (nicknamed "Deep Crack") is a machine built by the Electronic Frontier Foundation (EFF) in 1998, to perform a brute force search of the Data Encryption Standard (DES) cipher's key space – that is, to decrypt an encrypted message by trying every possible key.

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ElcomSoft

ElcomSoft Co.Ltd.

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Electronic Frontier Foundation

The Electronic Frontier Foundation (EFF) is an international non-profit digital rights group based in San Francisco, California.

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Entropy (information theory)

Information entropy is the average rate at which information is produced by a stochastic source of data.

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Formal proof

A formal proof or derivation is a finite sequence of sentences (called well-formed formulas in the case of a formal language), each of which is an axiom, an assumption, or follows from the preceding sentences in the sequence by a rule of inference.

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General-purpose computing on graphics processing units

General-purpose computing on graphics processing units (GPGPU, rarely GPGP) is the use of a graphics processing unit (GPU), which typically handles computation only for computer graphics, to perform computation in applications traditionally handled by the central processing unit (CPU).

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Georgia Tech Research Institute

The Georgia Tech Research Institute (GTRI) is the nonprofit applied research arm of the Georgia Institute of Technology in Atlanta, Georgia, United States.

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Graphics processing unit

A graphics processing unit (GPU) is a specialized electronic circuit designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display device.

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Hashcat

Hashcat is the self-proclaimed world’s fastest password recovery tool.

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Homeland security

Homeland security is an American umbrella term for "the national effort to ensure a homeland that is safe, secure, and resilient against terrorism and other hazards where American interests, aspirations, and ways of life can thrive to the national effort to prevent terrorist attacks within the United States, reduce the vulnerability of the U.S. to terrorism, and minimize the damage from attacks that do occur".

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Imperva

Imperva provides cyber security software and services to protect enterprise data and application software, ensure regulatory compliance, and improve performance and delivery.

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John the Ripper

John the Ripper is a free password cracking software tool.

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Key (cryptography)

In cryptography, a key is a piece of information (a parameter) that determines the functional output of a cryptographic algorithm.

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Key derivation function

In cryptography, a key derivation function (KDF) derives one or more secret keys from a secret value such as a master key, a password, or a passphrase using a pseudorandom function.

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Key stretching

In cryptography, key stretching techniques are used to make a possibly weak key, typically a password or passphrase, more secure against a brute-force attack by increasing the time it takes to test each possible key.

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LulzSec

Lulz Security, commonly abbreviated as LulzSec, was a black hat computer hacking group that claimed responsibility for several high profile attacks, including the compromise of user accounts from Sony Pictures in 2011.

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MD5

The MD5 algorithm is a widely used hash function producing a 128-bit hash value.

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MSNBC

MSNBC is an American news cable and satellite television network that provides news coverage and political commentary from NBC News on current events.

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NATO

The North Atlantic Treaty Organization (NATO; Organisation du Traité de l'Atlantique Nord; OTAN), also called the North Atlantic Alliance, is an intergovernmental military alliance between 29 North American and European countries.

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NT LAN Manager

In a Windows network, NT LAN Manager (NTLM) is a suite of Microsoft security protocols that provides authentication, integrity, and confidentiality to users.

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Nvidia Tesla

Nvidia Tesla is Nvidia's brand name for their products targeting stream processing or general-purpose GPU.

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Operating system

An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.

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Operation AntiSec

Operation Anti-Security, also referred to as Operation AntiSec or #AntiSec, is a series of hacking attacks performed by members of hacking group LulzSec and BlackSec, the group Anonymous, and others inspired by the announcement of the operation.

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Passwd

passwd is a tool on most Unix and Unix-like operating systems used to change a user's password.

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Password

A password is a word or string of characters used for user authentication to prove identity or access approval to gain access to a resource (example: an access code is a type of password), which is to be kept secret from those not allowed access.

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Password Hashing Competition

The Password Hashing Competition was an open competition announced in 2013 to select one or more password hash functions that can be recognized as a recommended standard.

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Password strength

Password strength is a measure of the effectiveness of a password against guessing or brute-force attacks.

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PBKDF2

In cryptography, PBKDF1 and PBKDF2 (Password-Based Key Derivation Function 2) are key derivation functions with a sliding computational cost, aimed to reduce the vulnerability of encrypted keys to brute force attacks.

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Rainbow table

A rainbow table is a precomputed table for reversing cryptographic hash functions, usually for cracking password hashes.

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RC5

In cryptography, RC5 is a symmetric-key block cipher notable for its simplicity.

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RockYou

RockYou is a company that developed widgets for MySpace and implemented applications for various social networks and Facebook.

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Salt (cryptography)

In cryptography, a salt is random data that is used as an additional input to a one-way function that "hashes" data, a password or passphrase.

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Script kiddie

In programming and hacking culture, a script kiddie or skiddie is an unskilled individual who uses scripts or programs developed by others to attack computer systems and networks and deface websites.

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Scrypt

In cryptography, scrypt (pronounced "ess crypt") is a password-based key derivation function created by Colin Percival, originally for the Tarsnap online backup service.

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Secure Hash Algorithms

The Secure Hash Algorithms are a family of cryptographic hash functions published by the National Institute of Standards and Technology (NIST) as a U.S. Federal Information Processing Standard (FIPS), including.

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Security token

Security tokens are physical devices used to gain access to an electronically restricted resource.

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SHA-1

In cryptography, SHA-1 (Secure Hash Algorithm 1) is a cryptographic hash function which takes an input and produces a 160-bit (20-byte) hash value known as a message digest - typically rendered as a hexadecimal number, 40 digits long.

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System administrator

A system administrator, or sysadmin, is a person who is responsible for the upkeep, configuration, and reliable operation of computer systems; especially multi-user computers, such as servers.

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The Pentagon

The Pentagon is the headquarters of the United States Department of Defense, located in Arlington County, Virginia, across the Potomac River from Washington, D.C. As a symbol of the U.S. military, The Pentagon is often used metonymically to refer to the U.S. Department of Defense.

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United States Air Force

The United States Air Force (USAF) is the aerial and space warfare service branch of the United States Armed Forces.

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United States Central Command

The United States Central Command (USCENTCOM or CENTCOM) is a theater-level Unified Combatant Command of the U.S. Department of Defense.

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United States Department of State

The United States Department of State (DOS), often referred to as the State Department, is the United States federal executive department that advises the President and represents the country in international affairs and foreign policy issues.

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United States Marine Corps

The United States Marine Corps (USMC), also referred to as the United States Marines, is a branch of the United States Armed Forces responsible for conducting amphibious operations with the United States Navy.

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United States Special Operations Command

The United States Special Operations Command (USSOCOM or SOCOM) is the Unified Combatant Command charged with overseeing the various Special Operations Component Commands of the Army, Marine Corps, Navy, and Air Force of the United States Armed Forces.

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Unix

Unix (trademarked as UNIX) is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, development starting in the 1970s at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others.

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Vigenère cipher

The Vigenère cipher is a method of encrypting alphabetic text by using a series of interwoven Caesar ciphers based on the letters of a keyword.

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Passcracker, Password Guessing, Password cracker, Password hacking, Password recovery.

References

[1] https://en.wikipedia.org/wiki/Password_cracking

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