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2. Password policy - Wikipedia

   en.wikipedia.org/wiki/Password_policy

   A password policy is a set of rules designed to enhance computer security by encouraging users to employ strong passwords and use them properly. A password policy is often part of an organization's official regulations and may be taught as part of security awareness training. Either the password policy is merely advisory, or the computer ...

3. AAA (computer security) - Wikipedia

   en.wikipedia.org/wiki/AAA_(computer_security)

   AAA (computer security) AAA refers to Authentication (to prove identity), Authorization (to give permission) and Accounting (to log an audit trail). It is a framework used to control and track access within a computer network. Common network protocols providing this functionality include TACACS+, RADIUS, [1] and Diameter.

4. Superuser - Wikipedia

   en.wikipedia.org/wiki/Superuser

   Superuser. In computing, the superuser is a special user account used for system administration. Depending on the operating system (OS), the actual name of this account might be root, administrator, admin or supervisor. In some cases, the actual name of the account is not the determining factor; on Unix-like systems, for example, the user with ...

5. Kerberos (protocol) - Wikipedia

   en.wikipedia.org/wiki/Kerberos_(protocol)

   Kerberos ( / ˈkɜːrbərɒs /) is a computer-network authentication protocol that works on the basis of tickets to allow nodes communicating over a non-secure network to prove their identity to one another in a secure manner. Its designers aimed it primarily at a client–server model, and it provides mutual authentication —both the user and the server verify each other's identity. Kerberos ...

6. 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.

7. Logical security - Wikipedia

   en.wikipedia.org/wiki/Logical_security

   Logical security consists of software [1] safeguards for an organization's systems, including user identification and password access, authenticating, access rights and authority levels. These measures are to ensure that only authorized users are able to perform actions or access information in a network or a workstation. It is a subset of computer security .

8. 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 ...

9. Multi-factor authentication - Wikipedia

   en.wikipedia.org/wiki/Multi-factor_authentication

   A password is a secret word or string of characters that is used for user authentication. This is the most commonly used mechanism of authentication. [3] Many multi-factor authentication techniques rely on passwords as one factor of authentication. Variations include both longer ones formed from multiple words (a passphrase) and the shorter, purely numeric, PIN commonly used for ATM access ...