A System-Aware Cyber Security architecture by Rick A Jones Affiliation: Systems and Information

By Rick A Jones Affiliation: Systems and Information Engineering, University of Virginia, Charlottesville, VA 22904; Barry Horowitz Affiliation: Systems and Information Engineering, University of Virginia, Charlottesville, VA 22904

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There are books dedicated to hackers and how they think and act. A white hat hacker is the good guy, and, obviously, a black hat hacker is the bad guy. Either type can and will identify a vulnerability and will report it to CERT, a vendor, or other medium for notifying the appropriate people. Throughout this book, references to hackers are used to identify those who either report a vulnerability or develop the exploit pertaining to it. Once the background behind the exploit creation is explained, the organization must arm itself with the proper mechanisms to track new vulnerabilities and patches as they are released.

The speed of propagation can result in an exploit © 2011 by Taylor & Francis Group, LLC 27 28 Securit y Pat c h M a n ag em en t causing a lot of damage. If the exploit is through a worm traversing from one vulnerable system to the next, it will be very difficult for the organization to contain it until all the systems have been patched appropriately. However, if an organization is using an intrusion detection system (IDS) and intrusion prevention system (IPS) in an environment-wide deployment, the chances of detecting and quarantining the worm in a shorter time frame are higher than if it were not.

Subsequent chapters provide an organization with not only an understanding of the patch management process but also guidance in how to establish a patch management process within the organization. © 2011 by Taylor & Francis Group, LLC 2 2 Securit y Pat c h M a n ag em en t Product Vendor’s Responsibility The reasoning behind the patch management process lies in protecting the organization against vulnerabilities that are a result of faulty or improperly programmed software. Whatever the case may be, a vulnerability within a piece of software is the vendor’s responsibility.

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