'Spam prevention' presentation slideshows

Challenges to Privacy in New Internet Applications: VoIP, IM, location-based services

Challenges to Privacy in New Internet Applications: VoIP, IM, location-based services. Prof. Henning Schulzrinne Computer Science Columbia University, New York ATIS Network Security Symposium and Workshop Washington, DC September 2004. Overview.

450 views • 34 slides

SIP Security

SIP Security. Henning Schulzrinne Dept. of Computer Science Columbia University January 2002. Overview. System model Threats and promises Approaches lower-layer (L3, L4) application-layer borrowed and modified new, SIP-specific short-term vs. long-term Denial-of-service attacks.

486 views • 32 slides

249 views • 23 slides