Awarded for completing Symmetric Ciphers and Block Cipher Modes and passing its exam, demonstrating the ability to evaluate block cipher choice, mode selection, and initialisation vector, nonce and padding configuration in a real system.
Certificates are designed to be checked, not just displayed.
The credential is valid for 12 months from issue. Its public page states the expiry date, and renewing means passing the current exam again — so the credential always reflects the current material.
