FAQ
What is a siem cybersecurity company?
A firm whose primary offering sits in siem. This index lists companies, not SKUs — products live on the company profile.
Is the order paid?
No. Organic order is recency. Promoted shelves are labeled and separate. That is the opposite of buying a rank.
How do I get listed in SIEM?
Submit a company. We review before anything is public. Paid plans buy a labeled shelf, not a silent bump in this list.
Why is this a specialization rather than a tool category?
Buyers shortlist firms. Tools change names; the company is the contract.
Companies 6
SE
Sekoia
FR · Product vendor
Security operations and threat intelligence.
Security operations · Threat & vulnerability
GU
Guardsix
DK · Product vendor
Security information and event management.
BL
Blumira
US · Product vendor
Cloud SIEM and threat detection for smaller security teams.
RA
Rapid7
Boston, US · Product vendor
SIEM, vulnerability management, and detection from InsightVM and InsightIDR.
Security operations · Threat & vulnerability
MS
Microsoft Security
Redmond, US · Product vendor
Defender, Entra, Sentinel, and Purview across the Microsoft estate.
Endpoint security · Identity
SP
Splunk
San Francisco, US · Product vendor
SIEM, observability, and security analytics now under Cisco.