Angelos D. Keromytis's guest appearances

Angelos D. Keromytis

CERIAS Weekly Security Seminar - Purdue University

Ryan Henry

Cory Doctorow

Doug Smith

Larry Ponemon

George Heron

Laura Thomas

Eli Lilly

Stephen Elliott

Tony Sager

David Carroll

Jack Daniel

Joe Judge

Chris Reed

Richard III

John Richardson

OwlTail

As systems grow in size and complexity, our ability to protect them through manual intervention or static defenses degrades. We believethat, in addition to proper design principles and proactive mechanisms,automated reactive approaches must be employed to close the gap inthe attacker vs. defender capabilities. Toward this goal, we havebeen examining the possibility of software systems that self-diagnoseand repair themselves in the presence of previously unknown attacksand failures, with minimal or no human intervention.In this talk, I will discuss our research in self-healing softwaresystems. I will introduce the concepts of "micro-speculation" and"error virtualization", which can be combined to provide a genericmechanism for dealing with low-level software failures and vulnerabilities. I will describe the use of these techniques intwo system prototypes of self-healing software that address such vulnerabilities: the Worm Vaccine architecture and STEM (SelectiveTransactional EMulation). I will close the talk with a discussionof our preliminary work toward software Application Communities,groups of identical instances of an application that cooperateto improve their collective security.  About the speaker: Angelos Keromytis is an Assistant Professor of Computer Science atColumbia University. He received his MS and PhD from theUniversity of Pennsylvania, and his BS (all in ComputerScience) from the University of Crete, in Greece. His researchinterests include network and system survivability, authorization andaccess control, and large-scale systems security. In a previous life,he had enough time to contribute code to the OpenBSD project. Hisincreasingly outdated home page can be found at http://www.cs.columbia.edu/~angelos 

As systems grow in size and complexity, our ability to protect them through manual intervention or static defenses degrades. We believe that, in addition to proper design principles and proactive mechanisms, automated reactive approaches must be employed to close the gap in the attacker vs. defender capabilities. Toward this goal, we have been examining the possibility of software systems that self-diagnose and repair themselves in the presence of previously unknown attacks and failures, with minimal or no human intervention. In this talk, I will discuss our research in self-healing software systems. I will introduce the concepts of "micro-speculation" and "error virtualization", which can be combined to provide a generic mechanism for dealing with low-level software failures and vulnerabilities. I will describe the use of these techniques in two system prototypes of self-healing software that address such vulnerabilities: the Worm Vaccine architecture and STEM (Selective Transactional EMulation). I will close the talk with a discussion of our preliminary work toward software Application Communities, groups of identical instances of an application that cooperate to improve their collective security. About the speaker: Angelos Keromytis is an Assistant Professor of Computer Science at Columbia University. He received his MS and PhD from the University of Pennsylvania, and his BS (all in Computer Science) from the University of Crete, in Greece. His research interests include network and system survivability, authorization and access control, and large-scale systems security. In a previous life, he had enough time to contribute code to the OpenBSD project. His increasingly outdated home page can be found at <a href="http://www.cs.columbia.edu/~angelos" rel="nofollow" target="_blank">http://www.cs.columbia.edu/~angelos</a>

Dr. Angelos D. Keromytis, Toward Self-healing Software