Event correlation is the process in which a SIEM relates a series of events to generate an incident or a more meaningful event. In our previous example, there were five failed login attempts to the same user account from multiple source machines. For a security analyst, it might be worth investigating this. Logging the correlation is the best way to raise alerts:
Get Practical Network Scanning 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.
Get Mark Richards’s Software Architecture Patterns ebook to better understand how to design components—and how they should interact.
Dive in for free with a 10-day trial of the O’Reilly learning platform—then explore all the other resources our members count on to build skills and solve problems every day.
Start your free trial Become a member now