CCSP Self-Study: Securing Cisco IOS Networks (SECUR)

Chapter Summary

The need for network security has increased as networks have become more complex and interconnected.

The following are the four types of security threats:

• Unstructured

• Structured

• External

• Internal

The Cisco SAFE Blueprint provides guidelines for implementing security in depth across enterprise networks.

The following are common attack methods and techniques used by attackers:

• Packet sniffers

• IP weaknesses

• Password attacks

• DoS or DDoS attacks

• Man-in-the-middle attacks

• Application layer attacks

• Trust exploitation

• Port redirection

• Viruses

• Trojan horses

• Worms

• Operator error

The Cisco security hardware devices include IOS Firewalls, PIX Firewalls, VPN 3000 Concentrators, and IDS Sensors.

Cisco provides a wide range of security management applications ...