To be sure, cryptography is a good stake. It blocks the narrow gap where the attacker could easily pass through, protecting against non-invasive attacks. The moral here is that security only has real meaning in context. Network managers often think of security as a magic dust that they can sprinkle over their networks. The reality is much more complicated.
Security is a process, and cryptography and hardware are only part of that process.
IT managers need to be constantly vigilant. There are no magic bullets or easy answers. It stands for Pretty Good Privacy,' the lawyer said with a chuckle. That chuckle might raise the hackles of your average cipherpunk, but you have to admit, his sarcasm wasn't off base. Bruce Schneier is chief technology officer at Counterpane Internet Security Inc., a managed-security monitoring firm.