10 breakthroughs in IT security

Big ideas that altered the course of information security

The "Intrusion Detection Expert System": Dorothy Denning and Peter Neumann at SRI International came up with the IDES model in 1984, building a prototype for DEC's TOPS-20 operating system shortly thereafter. The IDES model proposed a correlation between unusual activity and misuse, an assumption many others have used since in IDS products.

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