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Assessing Survivability of Critical Systems

Can Your Systems Survive?

It's a fundamental question. Your customers depend on you. Your business mission is to support them. But your business mission depends on your network information systems. Can your critical systems survive attacks and failures? If you don't know, your customers and your business mission are at risk.

What Does Survivability Mean?

No amount of security can guarantee that systems will not be penetrated and compromised. No amount of testing can guarantee that systems will not experience failures. Survivability means your systems can continue to provide essential services in the presence of attacks and failures, and recover full services in a timely manner.

How Can Survivability be Assessed?

The SEI CERT® Coordination Center has developed the Survivable Systems Analysis (SSA) method to help assess the survivability of proposed or existing systems. The SSA assessment is carried out by a team of SEI personnel working with your team of system architects and stakeholders. The SSA method determines the essential functions of your system that must survive, selects attack scenarios based on the system environment and risks, identifies potential softspots in the system architecture, and defines architecture improvement strategies in a Survivability Map for management decision making.

Why Do a Survivable Systems Analysis?

The SSA method provides answers to key questions about your systems:
  • What essential functions must survive attacks and failures?
  • What effects can attacks have?
  • What survivability risks exist?
  • What architecture changes could improve survivability?


For More Information

Your business mission depends on critical network systems. It is prudent risk management to analyze and improve their survivability. For information on how the CERT/CC can provide an SSA for your organization, contact
Dr. Nancy Mead at 412 / 268-5756, Email: nrm@sei.cmu.edu

CERT Coordination Center
Software Engineering Institute
Carnegie Mellon University
FAX: 412 / 268-6989
CERT hotline +1 412-268-7090
E-mail: cert@cert.org
World Wide Web: http://www.cert.org

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Copyright 2001 by Carnegie Mellon University

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Last updated November 12, 2002