A Holistic Approach to Service Survivability

Angelos D. Keromytis; Janak J. Parekh; Philip N. Gross; Gail E. Kaiser; Vishal Misra; Jason Nieh; Daniel Stuart Rubenstein; Salvatore Stolfo

A Holistic Approach to Service Survivability
Keromytis, Angelos D.
Parekh, Janak J.
Gross, Philip N.
Kaiser, Gail E.
Misra, Vishal
Nieh, Jason
Rubenstein, Daniel Stuart
Stolfo, Salvatore
Computer Science
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Columbia University Computer Science Technical Reports
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Department of Computer Science, Columbia University
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New York
We present SABER (Survivability Architecture: Block, Evade, React), a proposed survivability architecture that blocks, evades and reacts to a variety of attacks by using several security and survivability mechanisms in an automated and coordinated fashion. Contrary to the ad hoc manner in which contemporary survivable systems are built--using isolated, independent security mechanisms such as firewalls, intrusion detection systems and software sandboxes--SABER integrates several different technologies in an attempt to provide a unified framework for responding to the wide range of attacks malicious insiders and outsiders can launch. This coordinated multi-layer approach will be capable of defending against attacks targeted at various levels of the network stack, such as congestion-based DoS attacks, software-based DoS or code-injection attacks, and others. Our fundamental insight is that while multiple lines of defense are useful, most conventional, uncoordinated approaches fail to exploit the full range of available responses to incidents. By coordinating the response, the ability to survive even in the face of successful security breaches increases substantially. We discuss the key components of SABER, how they will be integrated together, and how we can leverage on the promising results of the individual components to improve survivability in a variety of coordinated attack scenarios. SABER is currently in the prototyping stages, with several interesting open research topics.
Computer science
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Angelos D. Keromytis, Janak J. Parekh, Philip N. Gross, Gail E. Kaiser, Vishal Misra, Jason Nieh, Daniel Stuart Rubenstein, Salvatore Stolfo, , A Holistic Approach to Service Survivability, Columbia University Academic Commons, .

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