Chapter 1

Detecting System Intrusions

Almantas Kakareka, CISSP, GSNA, GSEC, CEH,    Demyo, Inc.

Detecting system intrusions is the process of monitoring the events occurring in a computer system or network and analyzing them for signs of possible incidents, which are violations or imminent threats of violation of computer security policies, acceptable use policies, or standard security practices. The detection of system intrusions (DSIs) is primarily focused on identifying possible incidents, logging information about them, attempting to stop them, and reporting them to security administrators. In addition, organizations use the DSIs for other purposes, such as identifying problems with security policies, documenting existing threats, and deterring ...

Get Network and System Security, 2nd Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.