Abstract :
Most computers today are insecure because security is costly in terms of user inconvenience and foregone features, and people are unwilling to pay the price. Real-world security depends more on punishment than on locks, but it´s hard to even find network attackers, much less punish them. The basic elements of security are authentication, authorization, and auditing: the gold standard. The idea of one principal speaking for another is the key to doing these uniformly across the Internet.
Keywords :
Internet; auditing; authorisation; computer crime; message authentication; Internet; authorization; computer security; message authentication; network attacker; Access control; Computer security; Costs; Cryptographic protocols; Data security; Information security; Internet; Multilevel systems; Portable computers; Public key cryptography;