AES
Advanced Encryption Standard
Domain 1: General Security Concepts
A symmetric block cipher adopted worldwide as the encryption standard. Supports key sizes of 128, 192, or 256 bits. Replaced DES as the standard for symmetric encryption.
Exam Tip
AES-256 is the gold standard. Used in WPA2/WPA3, TLS, and full-disk encryption.
Related Terms
DES
3DES
Symmetric Encryption