Security of personal information is also a concern of identification and authentication systems. âNo ID system can be more secure than the breeder documents used to get that ID,â says Bruce Schneier. If a birth certificate is used to obtain an ID card, the ID itself cannot be more reliable than the birth certificate, because that is âthe breeder document.â It was easy for the September 11 terrorists to obtain authentic IDs from the DMV by bribing a DMV clerk. âIf the issuance procedures have flawsâand they all willâthat will hurt security.â