Cisco IPS Modules Technical Overview
http://www.cisco.com/en/US/prod/collateral/routers/ps5853/ps5875/prod_presentation0900aecd806ccf26.pdf

Network Security Using Cisco IOSIPS
https://learningnetwork.cisco.com/servlet/JiveServlet/download/6651-1-8391/Ch%206_Network_Security_Using_Cisco_IOS_IPS.pdf

Intrusion Prevention for the Cisco ASA 5500 Series
http://www.cisco.com/en/US/prod/collateral/vpndevc/ps5729/ps5713/ps4077/data_sheet_c78_459036.pdf

Cisco CCIE Security
https://learningnetwork.cisco.com/servlet/JiveServlet/download/2688-29-3772/CCIE_Security_Prep_Tips_16Dec08_Doc-2312.pdf

1800, 2800, and 3800 integrated services routers.
http://ciscomax.com/datasheets/3800/Cisco%203800%20-%20Security%20Features%20on%20Cisco%20Integrated%20Services%20Routers.p...

PRTG Network Monitor 7 - User Manual
http://download.paessler.com/download/prtg70manual.pdf

Intrusion Detection and Risk Management Case Study
http://musmato.com/pages/Downloads/files/Musmato_RM_IDS_Case_study.pdf

Security Incident Management Essentials
http://security.internet2.edu/csi2/docs/Security_Incident_Management_Essentials_v4.pdf