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Industrial Cybersecurity

You're reading from   Industrial Cybersecurity Efficiently secure critical infrastructure systems

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Product type Paperback
Published in Oct 2017
Publisher Packt
ISBN-13 9781788395151
Length 456 pages
Edition 1st Edition
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Author (1):
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Pascal Ackerman Pascal Ackerman
Author Profile Icon Pascal Ackerman
Pascal Ackerman
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Toc

Table of Contents (19) Chapters Close

Title Page
Credits
About the Author
About the Reviewers
www.PacktPub.com
Customer Feedback
Preface
1. Industrial Control Systems FREE CHAPTER 2. Insecure by Inheritance 3. Anatomy of an ICS Attack Scenario 4. Industrial Control System Risk Assessment 5. The Purdue Model and a Converged Plantwide Ethernet 6. The Defense-in-depth Model 7. Physical ICS Security 8. ICS Network Security 9. ICS Computer Security 10. ICS Application Security 11. ICS Device Security 12. The ICS Cybersecurity Program Development Process

Application security testing


So how do you discover if any of these vulnerabilities are present in the applications deployed on your ICS network? The answer is by testing all of the installed applications for vulnerabilities. And I emphasize all of the installed applications because you first need to know all of the applications that are running on the ICS network. This is where asset management procedures will help. We discussed this in a previous chapter. You cannot secure what you don't know you have. Maintaining an up-to-date asset list with information that includes software versions, patching levels and firmware revisions should be your highest priority.

With an accurate asset list you can compare the revision and patch levels of each application on the ICS network against a list of known vulnerabilities for the application. This process can be done manually or with the help of an automated tool like the previously discussed Nessus scanner or the OpenVAS vulnerability scanner that we...

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