KIS FRI UNIZA Password strength - Password strength is the measure of a password’s efficiency to resist password cracking attacks. The strength of a password is determined by: • Length: This is the number of characters the password contains. • Complexity: This means it uses a combination of letters, numbers, and symbols. • Unpredictability: Something that can be guessed easily by an attacker. Here, the password #W)rdPass1 has strength and it would take about 21 years to crack it. Password strength estimate tool: https://www.passwordmonster.com/ Password Cracking Securing Applications 81 KIS FRI UNIZA Password strength checkers and validation tools • The password strength validation tool is built in with password system to make sure the user's password is compatible with latest identity management guidelines. • Password manager is the tool to ensure the strength of the password. Best practices • There are a few best practices to secure user login attempts. It includes notifying users of suspicious behavior, limiting the number of password and username login attempts. Password Cracking Securing Applications 82 274