DNAS retrieved information about a user 's hardware and software for authentication , copy protection , account blocking , system , rules , or game management and other purposes .
Dynamic Network Authentication System ( DNAS ) was a proprietary authentication system created by Sony Computer Entertainment Inc .
Dynamic Network Authentication System retrieved information about a user 's hardware and software for authentication , copy protection , account blocking , system , rules , or game management and other purposes .
Dynamic Network Authentication System ( DNAS ) was a proprietary authentication system created by Sony Computer Entertainment Inc .