Securty Issues from 1999

IP Telephony Security Issues NIPT/Ithaca - November 1999 Tom Parker (NVO/Ithaca)

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NIPT: Our Market ,[object Object],[object Object],[object Object],[object Object],[object Object]

Simplified PSTN Network Diagram The Ideal Tom Parker

Simplified PSTN Network Diagram The Ideal Tom Parker The Ideal ( )

Simplified PSTN Network Diagram The REAL Tom Parker Infrastructure dedicated to delivering voice 100 years of experience catching crooks Common Channel Signaling Hardwired connections

Simplified VoIP Network Diagram Tom Parker Packet based Multiple, emerging (and submerging) protocols All sorts of traffic HACKER INFESTED

The security requirements cloud Firewalls/NAT Standards compliance Encrypted signaling Regulatory compliance Protected databases Intrusion detection Non-repudiation Management framework Transparency Multi-tenanting Toll fraud AAA Tom Parker

Firewalls and NAT ,[object Object],[object Object],[object Object],[object Object],[object Object]

The trouble with H.323 ,[object Object],[object Object],[object Object],[object Object]

Firewall solutions ,[object Object],[object Object],[object Object],[object Object],[object Object]

Standards Compliance ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],“ Checkbox Checkers”

Working within the standards bodies ,[object Object],[object Object],[object Object],[object Object],[object Object]

Toll Fraud ,[object Object],[object Object],[object Object],[object Object],[object Object]

Non-repudiation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],GEMPLUS Public Key Card

Signaling privacy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Transparency ,[object Object],[object Object],[object Object],[object Object],Interesting PSTN Security Metaphor: In the early days of telephony, a number of large cattle ranches in the western United States were reputed to have used their many miles of barbed-wire fencing (three strands per post) to deliver telephone signals from ranch to ranch. S I D E B A R

Regulatory compliance ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],Multi-tenanting Service Provider Call Processing Server Gateway BES IP PSTN Customer 1 Customer 2 Customer 3 Customer 4 Customer 5 50-500 clients . . . .

Intrusion detection ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],The infamous Trojan horse

Protected databases-backend services ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Integrated management framework ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Issues at-a-glance Security is a complex topic with many open issues. Customers will partner with vendors who can offer them both comprehensive solutions and peace-of-mind.

Lots of Issues = Lots of Opportunities Secure High performance Robust Easy to use Easy to maintain Interoperable Cost effective Tom Parker

Securty Issues from 1999

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Securty Issues from 1999