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Penn Security Lab

Explore research, collaboration, and education in network monitoring, honeynet, public key infrastructure, anonymity, and authentication conducted by Penn Security Lab. Projects include host and network monitoring, digital cash, and privacy in programmable networks.

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Penn Security Lab

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  1. Penn Security Lab Directors Carl A. Gunter, Professor of Computer and Information Science David Millar, Information Security Officer

  2. Overview • Research • Host and NetworkMonitoring • Public Key Infrastructure • Anonymity and Authentication • Education • graduate and undergraduate classes • student projects • collaboration with other universities and other parts of Penn

  3. Host and Network Monitoring • Objective: improve detection and response to intrusions • Definition: • Honeynet • a tool used to learn about the targets, methods and tools used by intruders • consists of a network of production systems that are designed to be compromised • Network Monitoring • a system collecting packets seen on a network link or network element and analyzing the packets • detect security problems such as attacks on hosts on the network or on the network itself

  4. Personnel • Michael Clark, an intern in Security Laboratory from Drexel University, explored the use of VMware to reduce the costs and space requirements for researching the blackhat community. • Karthikeyan Bhargavan, a Ph.D. student at Penn, developed a language for reconstructing communication events from packets collected from a network monitor.

  5. Public Key Infrastructure • Objective:leverage existing authentication systems to support public key infrastructure • Applications • Strong public key authentication • S/MIME encrypted email • Precondition: web-based private key and certificate generation from Security Lab server • Personnel • Mike Clark: an intern from Drexel University • Kevin Lux: an intern from Drexel University • Education • used in an undergraduate computer science class, to demonstrate how PKI and SSL work.

  6. Anonymity and Authentication • Objective: reconcile anonymity and authentication • Projects • Pseudonym Certificates • Digital Cash • Privacy in Programmable Networks

  7. A&A Projects • Pseudonym Protocol • allows a client to interact with a merchant without revealing his identity but still being able to prove his uniqueness as well as other properties • Personnel • Gaurav Jain, a Ph.D. student at Penn • Kevin Lux: an intern from Drexel University • Education • designed as a course project and assigned to the students in a graduate security course

  8. A&A Projects • Digital Cash • anonymous digital cash based on group signatures • Personnel • Kaijun Tan: Security Lab Research Associate • Privacy in Programmable Networks • developed theoretical foundations for reasoning about privacy in networks with routers that accept programs to customize their communication properties • Personnel • Pankaj Kakkar, a Ph.D. student at Penn

  9. On-Going and Future Projects • Digital certificates with biometric data. • Authenticated traversal of network elements. • Authentication of unreliable multi-cast streams. • Formal specification of security protocols.

  10. Contact Information • http://www.securitylab.cis.upenn.edu • Email • Carl A. Gunter, Director gunter@cis.upenn.edu • David Millar, Director millar@isc.upenn.edu • Kaijun Tan, Research Associate ktan@saul.cis.upenn.edu

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