Applied Network Security

Why?

A common way of looking at network security in terms of intrusion system is:

Security = Visibility + Control

Typically, the network and security teams place controls on a network, but how do they know if those controls are working if there is no visibility on the network? That is why we use IDS/IPS. IDS/IPS plays an important role as it acts as one of many complementary layers of IT security technology. While typically several security layers exist because no one layer can provide all the security measures itself.

While firewalls and other security devices do play a role in network security there are a few items that IDS/IPS systems do that other appliances don't do. For instance, other devices cannot do:

• Identify anomalous or patterns ...