Brute Force Attack definition in Cybersecurity

A brute force attack involves trying many passwords or passphrases with the hope of eventually guessing correctly. The attacker systematically checks all possible passwords and passphrases until the correct one is found.

Notable Incidents

1. 2016 LinkedIn data breach, passwords were stolen and then cracked offline.
2. iCloud Celebrity Photo Leak (2014), attributed to brute force password guessing.

How to Protect Your Network against Brute Force Attack

1. Implement account lockout policies after a certain number of failed attempts.
2. Use multi-factor authentication.