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I work as a senior member of technical staff at VMware starting from October 2007. More Details...

I have completed my Ph.D. degree in September 2007. My dissertation is "Detecting Malicious Routers," under the supervision of Prof. Stefan Savage and Prof. Keith Marzullo.

Biography to appear in MARQUIS Who's Who in America - 2011 Edition.


Research

Network routers occupy a key role in modern data transport and consequently are attractive targets for attackers. By manipulating, diverting or dropping packets arriving at a compromised router, an attacker can trivially mount denial-of-service, surveillance or man-in-the-middle attacks on end host systems. We specify the problem of detecting routers with incorrect packet forwarding behavior and we explore the design space of protocols that implement such a detector. We further present a concrete protocol that is inexpensive enough for practical implementation at scale. We believe our work is an important step in being able to tolerate attacks on key network infrastructure components. More Details...

My advisors are Stefan Savage and Keith Marzullo.


Book

The Internet is not a safe place. Unsecured hosts can expect to be compromised within minutes of connecting to the Internet. However, while such threats to host systems are widely understood, it is less well appreciated that the network infrastructure itself is subject to constant attack as well. Indeed, through combinations of social engineering and exploitation of weak passwords, attackers have seized control over of thousands of routers. By compromising a router, an attacker may interpose on the traffic stream and manipulate it maliciously to attack others: selectively dropping, modifying or re-routing packets. This work is an important step in being able to tolerate such attacks on key network infrastructure components. This book is based on the author's doctoral research, which is recognized with the William C. Carter Award, in 2005: "The award is presented annually since 1997 to recognize an individual who has made a significant contribution to the field of dependable computing through his or her graduate dissertation research. The award is sponsored by the IEEE Technical Committee on Fault-Tolerant Computing and the IFIP WG-10.4 on Dependable Computing and Fault Tolerance."


Dissertation


Papers


Technical Papers



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