|Description||Expiration of Digital Certificates: Service Providers, Network Operators, and Equipment Suppliers, certificates should have a limited period of validity, dependent upon the risk to the system, and the value of the asset.
If there are existing certificates with unlimited validity periods, and it is impractical to replace certificates, consider the addition of passwords that are required to be changed on a periodic basis.
|Network Type(s)||Cable; Internet/Data; Satellite; Wireless; Wireline|
|Industry Role(s)||Service Provider; Network Operator; Equipment Supplier|
|Keyword(s)||Cyber Security;Encryption;Information Protection;|
|Reference/Comments||McClure, Stuart, Joel Scambray, George Kurtz. "Dial-Up, PBX, Voicemail, and VPN Hacking". Hacking Exposed, Network Security Secrets and Solutions, 4th Edition. Berkley, CA. The McGraw-Hill Companies. 2003. 341-389.|