January 23-26, 2007 Ft. Lauderdale, Florida IP Communications, Secure – By Design Roger W. Farnsworth

January 23-26, 2007 Ft. Lauderdale, Florida A Bit of Hyperbole?

January 23-26, 2007 Ft. Lauderdale, Florida The IP Conundrum The same IP technology that enables IP Communications solutions to: –Boost productivity –Increase mobility –Enhance flexibility Also creates additional MANAGEABLE security challenges These new challenges exist whether the IP upgrade is incremental or total

January 23-26, 2007 Ft. Lauderdale, Florida The Challenge of Securing IP Voice The threats are familiar to both voice and data professionals: –Eavesdropping –Impersonation –Toll fraud –Denial of service Both “phreakers” and “hackers” are lurking The protection of both voice and data communication is critical to the business 55

January 23-26, 2007 Ft. Lauderdale, Florida Reality Check After Before

January 23-26, 2007 Ft. Lauderdale, Florida Evaluate the Threats Objectively Understand the costs of security incidents: –Measurable: fraud, downtime, man-hours, physical destruction, intellectual property, lawsuits –Non-measurable: reputation, customer privacy, medical information, loss of life Assign risk and quantify the costs Determine appropriate levels of protection

January 23-26, 2007 Ft. Lauderdale, Florida The Paradigm Must Change: A Network-Based Systems Approach An automated security system is required to address unknown (or “Day Zero”) threats Security must be applied at multiple layers of the system to address sophisticated blended threats and defend against multiple avenues of attack All elements of the security system must be integrated to initiate a coordinated response

January 23-26, 2007 Ft. Lauderdale, Florida Protect All Levels of IP Communications INFRASTRUCTURE ENDPOINTS CALL CONTROL APPLICATIONS IP COMMUNICATIONS SYSTEM TRANSPORT Secure, Reliable Communications that Connects All of the Other Components VALUE-ADDED COMPONENTS Messaging, Customer Care, and Other Application Software SYSTEM CONFIG AND OPERATION Infrastructure and Protocols for Call Management and Operation IP Phones, Video Terminals, and Other Delivery Devices USER INTERFACES

January 23-26, 2007 Ft. Lauderdale, Florida Security Preparation - Only as Strong as the Weakest Link A measured approach to securing the entire network is critical XXX Infrastructure X X X Call Control XXX Endpoints XXX Applications CONTROLPROTECTIONPRIVACY

January 23-26, 2007 Ft. Lauderdale, Florida Intranet Internet Secure IP Communications Systems Approach in Action Infrastructure VLAN segmentation Layer 2 protection Firewall / IDS QoS and thresholds Secure VPN Wireless security Gateway SRTP Call Management Hardened Windows OS Digital certificates Signed software images TLS signaling Integrated CSA SSL enabled directory Applications Secure voice messaging LDAP Multi-level admin Toll fraud protection https management Hardened platforms h.323 and SIP signaling Endpoints Digital certificates Authenticated phones GARP protection TLS protected signaling SRTP media encryption Centralized management

January 23-26, 2007 Ft. Lauderdale, Florida Standards Bodies in Action Identity Media authorization Keying protocols Firewall transit Identity Media authorization Keying protocols Firewall transit H.235 framework Signaling protection Protocol streams H.235 framework Signaling protection Protocol streams IETF ITU SIP Forum SIPit Security interoperability SIP over TLS Interconnection SIPit Security interoperability SIP over TLS Interconnection

January 23-26, 2007 Ft. Lauderdale, Florida There is Nothing to Fear Except Fear Itself IP Communications solutions can be as secure, or more secure, than traditional PBX systems –Security remains a top issue of IP Communications customers –A comprehensive, systems approach is best –The industry is committed to delivering the most secure, reliable solutions possible –The future holds great promise for new applications

January 23-26, 2007 Ft. Lauderdale, Florida More Information Your vendor or partner