Definition
Authentication attacks are malicious attempts to bypass or compromise the identity verification mechanisms of a system. These attacks aim to gain unauthorized access by tricking or overwhelming the authentication process, rather than by exploiting vulnerabilities in the system's core functions. Attackers might try to steal credentials, guess passwords, or exploit weaknesses in multi-factor authentication setups. Understanding these threats is crucial for safeguarding sensitive data and maintaining system integrity. For instance, a brute-force attack attempts to guess a user's password by systematically trying all possible combinations. This differs from authorization attacks, which occur after a user has been authenticated and attempt to gain higher privileges. Concepts related to authentication attacks are frequently covered in CompTIA Security+ and CySA+ certifications.