This chapter focuses on several additional aspects of network security: LAN, storage-area network (SAN), voice, and endpoints. This chapter emphasizes Layer 2 and host security to provide a much more comprehensive coverage of the important issues involved in securing an enterprise. Topics covered in this chapter include the following:
• Current endpoint protection methods, such as HIPS, integrity checkers, operating system protection, and the Cisco NAC Appliance
• Risks and countermeasures for SAN security
• Risks and countermeasures to IP telephony
• Layer 2 attacks against network topologies ...