The Evolving Meaning of Information Security

Abstract

When you are developing security systems, new penetration techniques seem to appear as responses to new security measures but in general the flow is the other way around: security exists and evolves because of the evolution of threats. Beginning with the rise of radio in the 20 th Century attacks on communication networks have shown two forms: those that go for the big kill-such as the breaking of Enigma-and those that assemble small seemingly innocuous leaks of information into a comprehensive understanding of the target's behavior. We will analyze the way in which these trends interact with others to create a situation in which what is possible in security and even the meaning of security in communication networks needs reexamination.