IDS Fundamentals
Intrusion detection is the ability to detect different types of attacks launched against your network infrastructure. These attacks can be divided into three distinct types:
Access attacks— When an intruder attacks networks or systems to retrieve data, gain access, or escalate his access privilege
Denials of service (DoS) attacks— Designed to attack the network in way that damages or corrupts your computer system, or denies you and others access to your networks, systems, or services
Reconnaissance attacks— An attempt to discover and map systems, services, or vulnerabilities
The Cisco Secure Intrusion Detection System (IDS) is designed to prevent, detect, and react to activity that matches configured signatures. The IDS then ...
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