1. 1. Susan Hansche, “Official (ISC)2®,” Guide to the CISSP® -ISSEP®
   2. Michael E. Whitman, Herbert J. Mattord, “Principles of Information Security,” Fifth Edition, pp 355-389, 2015.
   3. Karen Scarfone, Peter Mell, Guide to Intrusion detection and prevention systems (IDPS), NIST, 1 to 127, 2007.
   4. Sans institute infosec reading room, Understanding Intrusion Detection System, Internet, Sans Institute, 1 to 9, 2001.
   5. B. Rajul and B. Srinivas, Network Intrusion Detection System Using KMP Pattern Matching Algorithm, IJCST, 33-36, January 2012.
   6. David Geer, Behaviour-Based Network Security Goes Mainstream, IEEE, 14-17, 1-5.
   7. Michael Gregg and Billy Haines, CASP: CompTia Advanced Security Practitioner Study Guide, pp.135- 137, 2013.
   8. Glen E. Clarke, CompTIA Security+ Certification Study Guide, Second Edition, pp 348-357, September 2014.
   9. Langin, C. L. A SOM+ Diagnostic System for Network Intrusion Detection. Ph.D. Dissertation, Southern Illinois University Carbondale, 2011.
   10. F. Cikala, R. Lataix, S. Marmeche", The IDS/IPS. Intrusion Detection/Prevention Systems ", Presentation, 2005.
   11. Tiwari Nitin, S. R. Singh and P. G. Singh, Intrusion Detection and Prevention System (IDPS) TechnologyNetwork Behavior Analysis System (NBAS), International Science Congress Association , 51-56, July 2012.