How to select a good password?
Password Selection Strategies A password is a sequence of characters that allows access to a computer system, service or application. The front line of defense against the cyber-attacks is the use of the password system, where a user provides a login identifier (ID) and a password. The users supply both Login ID-to determine privileges of that user and Password-to identify them. The password serves to authenticate the ID of the individual logging on to the system. Passwords are usually stored encrypted rather than in the clear. Most of the systems and applications use a cryptographic hash function that is message digest (MD5), or SHA-1 or any cryptographic algorithms. The file containing these passwords hashes needs access control protections to make guessing attacks harder. The password selection strategy helps to eliminate guessable passwords while allowing user to select a memorable password. There are four basic techniques which are in use for selecting the password: User E