Securing Unified Communications Systems
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As applications move into the multichannel and interconnected world, what are the security concerns you need to consider? Dan York, author of the bestselling book The Seven Deadliest Unified Communication Attacks, will discuss the major risk areas of unified communications, what steps you can take to mitigate/reduce those risks, a checklist of questions to consider in your implementation, and a look at the future in an increasingly interconnected and converged network. Presentation give at SpeechTEK New York 2010. More info at: http://blogs.voxeo.com/events/speechtek-ny-2010/
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Securing Unified Communications Systems
- 1. Securing Communications! SpeechTEK New York 2010! Dan York, CISSP Director of Conversations, Voxeo Best Practices Chair, VoIP Security Alliance Author, Seven Deadliest UC Attacks!
- 2. About Dan York! www.voipsa.org www.voxeo.com www.blueboxpodcast.com www.7ducattacks.com © Voxeo Corporation
- 3. About Voxeo! Founded in 1999 World’s largest hosted VoiceXML and CCXML platform – Over 82,000 hosted ports globally; hundreds of premise deployments Over 150,000 developers using Voxeo platforms The Voxeo difference: Unlocked Communications, Customer Obsession Teams, Communications Passion www.voxeo.com © Voxeo Corporation
- 4. The Change VoIP Brings! SIP SIP Proxy Proxy A SIP B SIP SIP Alice Bob Media (RTP, MSRP, etc.) © Voxeo Corporation
- 5. The Larger Reality! SIP SIP SIP SIP SIP Proxy Proxy Proxy Proxy Proxy A SIP B SIP C SIP D SIP N SIP Internet SIP Media Media Alice Proxy Proxy Bob Media A Media B Media © Voxeo Corporation
- 6. Once Upon A Time! PSTN PBX Gateways Physical Voicemail Wiring © Voxeo Corporation
- 7. 1. Understand Your Ecosystem! Mobile Devices IM Application Internet Servers Networks Operating Systems PSTN IP-PBX VoIP Gateways Web IP Social Firewalls Servers Network Networks Physical Directory Voicemail Wiring Servers Desktop Email PCs Database Servers CRM Servers Systems © Voxeo Corporation
- 8. 2. Understand Your Endpoints! IP Phones, Smartphones, Softphones What services are running on them? Default passwords? How do you patch/secure them? © Voxeo Corporation
- 9. 3. Secure Your Media! SIP SIP SIP Proxy Proxy Proxy A SIP B SIP N SIP SIP Alice Eve Bob Media Media © Voxeo Corporation
- 10. Secure Media – Hop By Hop! Internet Media Media Alice Proxy Proxy Bob Media A Media B Media © Voxeo Corporation
- 11. Secure Media – End to End! Internet Media Media Alice Proxy Proxy Bob Media A Media B Media © Voxeo Corporation
- 12. 4. Secure Your Signalling! SIP SIP SIP Proxy Proxy Eve Proxy A SIP B SIP SIP N SIP SIP Alice Bob Media © Voxeo Corporation
- 13. Signalling Attacks! Toll Fraud Identity Theft © Voxeo Corporation
- 14. Traditional Telephony! Internet Carrier PSTN PBX Corp HQ © Voxeo Corporation
- 15. IP Communications! ITSP Internet PBX PSTN Corp HQ © Voxeo Corporation
- 16. Failover! PBX ITSP Corp HQ Internet PSTN PBX Office A © Voxeo Corporation
- 17. Redundancy / Geography! ITSP (Boston) Internet PBX ITSP (Paris) PSTN Corp HQ ITSP (Tokyo) © Voxeo Corporation
- 18. 5. Secure Your PSTN Connectivity! Attacks • Toll Fraud • Denial of Service • Spam Solutions • Encryption • Strong Authentication • Transport Security © Voxeo Corporation
- 19. 6. Secure Your Identity! Attacks • Fraud • Identity Theft • Social Engineering Solutions • Education • Lock Down Spoofing • Strong Identity © Voxeo Corporation
- 20. 7. Secure Distributed Systems! Laptop UC client WiFi UC System Firewall Internet Café Router Corp HQ Mobile Data Network Mobile UC client © Voxeo Corporation
- 21. How Do You Securely Federate?! Internet Corporate Corporate Network Network UC UC UC UC System System System System Corp HQ Office A Corp HQ Office A Company A Company B © Voxeo Corporation
- 22. What if the Cloud Isnʼt There?! Corporate Internet Network IVR Voicemail IM IM IM Presence Presence Presence Call Call Call Control Control Control Corp HQ Office A Office B PSTN © Voxeo Corporation
- 23. Questions About the Cloud! What kind of availability guarantees / Service Level Agreements (SLAs) does the platform vendor provide? What kind of geographic redundancy is built into the underlying network? What kind of network redundancy is built into the underlying network? What kind of physical redundancy is built into the data centers? What kind of monitoring does the vendor perform? What kind of scalability is in the cloud computing platform? What kind of security, both network and physical, is part of the computing platform? Finally, what will the vendor do if there is downtime? Will the downtime be reflected in your bill? © Voxeo Corporation
- 24. The Way It Used To Be! © Voxeo Corporation
- 25. Today...! ITSP ITSP ITSP ITSP ITSP ITSP ITSP ITSP ITSP ITSP ITSP ITSP ITSP ITSP PSTN ITSP ITSP ITSP ITSP ITSP ITSP ITSP ITSP ITSP ITSP ITSP ITSP ITSP ITSP ITSP ITSP ITSP ITSP ITSP ITSP ITSP © Voxeo Corporation
- 26. Resources! VoIP Security Alliance • www.voipsa.org • www.voipsa.org/blog Hacking Exposed: VoIP • www.hackingvoip.com Seven Deadliest Unified Communications Attacks • www.7ducattacks.com © Voxeo Corporation