| Publisher | Cisco Systems | ||
|---|---|---|---|
| Format | Date added | 19 Feb 2009 | |
| Topics | Network Security, Intrusion Detection Systems, Firewalls | ||
| Downloads | 40 | ||
In the network security world, firewalls are like strong locks on doors, blocking the casual intruder. Like alarms and cameras, an Intruder Detection System (IDS) alerts network guards to the more determined and successful attacker, and provides information about the intruder along with the data necessary for determining how best to deal with the network security breach. Cisco deployed 35 Cisco IDS 4230 sensors worldwide, guarding the perimeter, alerting IT staff when an intruder has gotten past the firewalls and capturing data to help identify the IP address of the intruder. As a result, Cisco was able to identify potentially devastating attacks (Code Red and NIMDA) on servers worldwide.
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