Explore enterprise network security in this conference talk focusing on defending against infrastructure attacks. Learn about SNMP vulnerabilities, Cisco routing exploits, route mounts, ER span, bridging, pseudowire, and lawful intercept. Dive into enterprise router architecture, mitigation strategies, OSPF, routing protocols, and BGP hijacking. Examine network architecture, encryption, global routing tables, and service provider architecture. Understand the potential for telecom takeovers, BGP hijacking threats, and solutions like VPN implementation. Gain valuable insights into protecting critical network infrastructure from sophisticated attacks and enhancing overall enterprise security posture.