5. IT security solutions

5.1 Basic safety functions

Too often, security architectures focus solely on prevention and perimeter defense. There are many other elements that must make up a security architecture. Any security architecture or solution must be based on three functions:

• prevention ;

• detection ;

• reaction.

Following a risk analysis, security projects implement the necessary technical and organizational solutions.

The opening up of networks and collaborative applications exposes information systems to deviant flows such as viruses and malware, as well as spam, fishing and other scams.

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