1. Copyright© 2005-2006 Trusted Computing Group - Other names and brands are properties of their respective owners. Slide #1 Trusted Network Connect: Open Standards for NAC

2. Copyright© 2005-2008 Trusted Computing Group - Other names and brands are properties of their respective owners. Slide #2 Trusted Network Connect (TNC) Open Architecture for Network Access Control –Strong security through trusted computing Open Standards for Network Access Control –Full set of specifications –Products shipping for more than two years Work Group of Trusted Computing Group –Industry standards group –About 175 TCG member organizations, 75 in TNC-WG –More joining every week

3. Copyright© 2005-2008 Trusted Computing Group - Other names and brands are properties of their respective owners. Slide #3 Problem: Reduce Endpoint Attacks Increasingly Sophisticated and Serious Attacks –Malware = Viruses, Worms, Spyware, Rootkits, Back Doors, Botnets –Zero-Day Exploits –Targeted Attacks –Rapid Infection Speed Exponential Growth in Malware –>40,000,000 Infected Machines –>35,000 Malware Varieties Motivated Attackers –Extortion, Identity Theft, Bank Fraud, Corporate Espionage Dissolving Network Boundaries –Mobile workforce, partners, contractors, outsourcing Regulatory Requirements –Mandatory Policy Compliance

4. Copyright© 2005-2008 Trusted Computing Group - Other names and brands are properties of their respective owners. Slide #4 Solution: Network Access Control Create Network Access Control Policy Require Compliance for Network Access (or Log and Advise) Isolate and Repair Non-Compliant Endpoints Optional Integration with TPM to –Identify Users –Thwart Root Kits

5. Copyright© 2005-2008 Trusted Computing Group - Other names and brands are properties of their respective owners. Slide #5 Sample Network Access Control Policy Machine Health –Anti-Virus software running and properly configured –Recent scan shows no malware –Personal Firewall running and properly configured –Patches up-to-date –No unauthorized software Machine Behavior –No port scanning, sending spam, etc. Other Organization-Defined Requirements

6. Copyright© 2005-2008 Trusted Computing Group - Other names and brands are properties of their respective owners. Slide #6 TNC Architecture VPN

7. Copyright© 2005-2008 Trusted Computing Group - Other names and brands are properties of their respective owners. Slide #7 Typical TNC Deployments Uniform Policy User-Specific Policies TPM Integrity Check

8. Copyright© 2005-2008 Trusted Computing Group - Other names and brands are properties of their respective owners. Slide #8 Uniform Policy Compliant System Windows XP SP2 OSHotFix 2499 OSHotFix 9288 AV - Symantec AV 10.1 Firewall Non-compliant System Windows XP SP2 x OSHotFix 2499 x OSHotFix 9288 AV - McAfee Virus Scan 8.0 Firewall Production Network Remediation Network Access Requestor Policy Decision Point Policy Enforcement Point Client Rules Windows XP SP2 OSHotFix 2499 OSHotFix 9288 AV (one of) Symantec AV 10.1 McAfee Virus Scan 8.0 Firewall

9. Copyright© 2005-2008 Trusted Computing Group - Other names and brands are properties of their respective owners. Slide #9 User-Specific Policies Ken – R&D Guest User Access Requestor Policy Decision Point Policy Enforcement Point Finance Network R&D Network Linda – Finance Windows XP OS Hotfix 9345 OS Hotfix 8834 AV - Symantec AV 10.1 Firewall Guest Network Internet Only Access Policies Authorized Users Client Rules

10. Copyright© 2005-2008 Trusted Computing Group - Other names and brands are properties of their respective owners. Slide #10 TPM Integrity Check Compliant System TPM verified BIOS OS Drivers Anti-Virus SW Production Network Access RequestorPolicy Decision Point Policy Enforcement Point Client Rules TPM enabled BIOS OS Drivers Anti-Virus SW TPM – Trusted Platform Module HW module built into most of today’s PCs Enables a HW Root of Trust Measures critical components during trusted boot PTS interface allows PDP to verify configuration and remediate as necessary

11. Copyright© 2005-2008 Trusted Computing Group - Other names and brands are properties of their respective owners. Slide #11 TNC Architecture Policy Decision Point Policy Enforcement Point Access Requestor Verifiers t Collector Integrity Measurement Collectors (IMC) Integrity Measurement Verifiers (IMV) IF-M IF-IMCIF-IMV Network Access Requestor Policy Enforcement Point (PEP) Network Access Authority IF-T IF-PEP TNC Server (TNCS) TNC Client (TNCC) IF-TNCCS TSS TPM Platform Trust Service (PTS) IF-PTS

12. Copyright© 2005-2008 Trusted Computing Group - Other names and brands are properties of their respective owners. Slide #12 Trusted Platform Module (TPM) Security hardware on motherboard –Open specifications from TCG –Resists tampering & software attacks Now included in almost all enterprise PCs –Off by default Features –Secure key storage –Cryptographic functions –Integrity checking & remote attestation Applications –Strong user and machine authentication –Secure storage –Trusted / secure boot For TNC, most useful for detecting rootkits –Protects again the ‘lying endpoint’ problem –TPM measures critical components during trusted boot BIOS, Boot Loader, OS Kernel, Kernel Drivers, TNCC, IMCs –PTS-IMC reports measurements via TNC handshake –PDP checks measurements against valid configurations –If Invalid, PDP can remediate and isolate

13. Copyright© 2005-2008 Trusted Computing Group - Other names and brands are properties of their respective owners. Slide #13 TNC Vendor Support Endpoint Supplicant/VPN Client, etc. Network Device FW, Switch, Router, Gateway Access Requestor Policy Decision Point Policy Enforcement Point AAA Server, Radius, Diameter, IIS, etc

14. Copyright© 2005-2008 Trusted Computing Group - Other names and brands are properties of their respective owners. Slide #14 Microsoft NAP Interoperability IF-TNCCS-SOH Standard –Developed by Microsoft as Statement of Health (SoH) protocol –Donated to TCG by Microsoft –Adopted by TCG and published as a new TNC standard, IF-TNCCS-SOH Enables Client-Server Interoperability between NAP and TNC –NAP servers can health check TNC clients without extra software –NAP clients can be health checked by TNC servers without extra software –As long as all parties implement the open IF-TNCCS-SOH standard Availability –Demonstrations at Interop Las Vegas 2007 (May 2007) –Built into Windows Vista now –Coming in Windows Server 2008 and Windows XP SP 3 –Coming in products from other TNC vendors in 1H 2008 Implications –Finally, an agreed-upon open standard client-server NAC protocol –True client-server interoperability (like web browsers and servers) is here –Industry (except Cisco) has agreed on TNC standards for NAC NAP or TNC Server NAP or TNC Client IF-TNCCS-SOH Switches, APs, Appliances, Servers, etc.

15. Copyright© 2005-2008 Trusted Computing Group - Other names and brands are properties of their respective owners. Slide #15 Microsoft NAP Partners (now TNC)

16. Copyright© 2005-2008 Trusted Computing Group - Other names and brands are properties of their respective owners. Slide #16 TNC Advantages Open standards –Non-proprietary – Supports multi-vendor compatibility –Interoperability –Enables customer choice –Allows thorough and open technical review Leverages existing network infrastructure –Excellent Return-on-Investment (ROI) Roadmap for the future –Full suite of standards –Supports Trusted Platform Module (TPM) Products supporting TNC standards shipping today TNC certification and compliance program coming soon

17. Copyright© 2005-2008 Trusted Computing Group - Other names and brands are properties of their respective owners. Slide #17 What About Open Source? Lots of open source support for TNC –University of Applied Arts and Sciences in Hannover, Germany (FHH) http://tnc.inform.fh-hannover.de –libtnc https://sourceforge.net/projects/libtnc –OpenSEA 802.1X supplicant http://whttp://www.openseaalliance.org –FreeRADIUS http://whttp://www.freeradius.org TCG support for these efforts –Liaison Memberships –Open source licensing of TNC header files Information about TNC implementations available at http://www.opus1.com/nac http://www.opus1.com/nac

18. Copyright© 2005-2008 Trusted Computing Group - Other names and brands are properties of their respective owners. Slide #18 What’s Next for Network Security? Agree on TNC Standards with ALL Parties Universal Endpoint Support for NAC –Phones, PDAs, Printers, Cameras, etc. –Built-in Agent, Permanent Agent, Downloaded Agent, or No Agent Extend Integration of Endpoint Security and Network Security –Today (NAC) Endpoint Security (anti-malware, patch management, etc.) AAA / Identity Management Switches, Wireless APs & Management Systems (802.1X or not) Other Enforcement Mechanisms –Next Step for Integration Intrusion Detection / Prevention Vulnerability Scanning Firewalls (Stateful & Stateless) VPN Gateways (SSL & IPsec) Any Security Component

19. Copyright© 2005-2008 Trusted Computing Group - Other names and brands are properties of their respective owners. Slide #19 For More Information TNC Web Site https://www.trustedcomputinggroup.org/groups/network TNC Co-Chairs Steve Hanna Distinguished Engineer, Juniper Networks shanna@juniper.net Paul Sangster Chief Security Standards Officer, Symantec Paul_Sangster@symantec.com