Authentication technology refers to the methods and processes used to verify the identity of a user or device before granting access to systems or data. Common forms include passwords, biometric scans (like fingerprints or facial recognition), and security tokens. These technologies help protect sensitive information from unauthorized access. As cyber threats increase, authentication technology has evolved to include multi-factor authentication (MFA), which requires users to provide two or more verification factors. This adds an extra layer of security, making it harder for attackers to gain access. Overall, effective authentication is crucial for safeguarding personal and organizational data.