Question

passwords are the most common mechanism for authentication online. discuss three offline attacks on passwords.

Answer 1

Three offline attacks on passwords are :

Brute force Attack : Here the attacker guesses the password. Here various patterns are used and all the possible passwords are tried until the correct password is found.

Dictionary Attack : In Dictionary Attack, every word in the dictionary is entered to crack the password. It continues until the actual password is discovered.

Rainbow Table Attack : In rainbow table attack, the attacker tries to use rainbow hash table to obtain the password from the database. A rainbow table is a hash function used for storing the passwords in the database.