Security Information and Event Management

Full Name

SIEM = Security Information and Event Management

Originally this term was applied to data collection about the security state and events in an enterprise. It has since broadened to cover pro-active security state determination and remediation of cyber threats as well, although often under a wide variety of different names.

Context

Web sites have long kept logs of incoming HTTP traffic to diagnose web site problems.

References

1. Wikipedia page on SEIM
2. Connect to the Intelligent Security Graph using a new API is a Microsoft variant for the Azure cloud current as of 2018-04-17.
3. Collect and consume log data from your Azure resources

Solutions

Gartner Magic Quadrant

The companies that were in the visionary half of the 2021 chart were ranked in the following order.

Vendor	Cloud	AI	Location	Notes
Exabeam	Google	user and entity behavior analytics	SV CA
IBM QRadar	Watson	separate division	everywhere
Securonix	AWS	forbes article	TX & India
Splunk	open source	comodo is one provider	NJ
Rapid7			SF CA
Logrythm
Gunucul
Microsoft
Sumo Logic
Fortnet

The leader of the field in longevity is ArcSight by Microfocus (after merger from HP) which is rather poorly rated by Gartner. They were the ones who identifier the problem for the customer as "too much data" back in 2001. Microfocus targets legacy infrastructure.