cybersecdirectory

SIEM vendors

We list 37 companies active in SIEM, and 14 of them have it as their main focus. 7 are public, 3 are owned by another company and 27 are private. Most are based in the United States (31). The oldest, IBM, was founded in 1911. By revenue from annual reports, the largest company here is Microsoft ($331.8bn in FY2026). Read the siem market guide 2026.

By countryUnited States 31

Companies focused on SIEM

14 companies
CompanyBased inFoundedSizeOwnershipRevenue
Elastic

Elastic provides the Elasticsearch Platform, which includes search, observability, and security solutions.

Mountain View, United States2012Public, ESTC$1.7bn (FY2026)
IBM

IBM is a technology company that sells software, infrastructure, and consulting services.

Armonk, United States1911352,600 staffPublic, IBM
Abstract Security

Abstract provides a composable SIEM platform for security operations.

United States2023Private
Artemis Security

Artemis Security provides an AI-native security operations platform that detects, investigates and responds to cyber attacks.

New York, United StatesPrivate
Blumira

Blumira provides a security operations platform for IT teams to detect and respond to threats.

Ann Arbor, United StatesPrivate
Cylake

Cylake provides an AI-native cybersecurity platform for air-gapped sovereign environments.

Sunnyvale, United States2026Private
Exabeam

Exabeam provides security operations platforms that use behavioural analytics to detect and respond to threats.

Broomfield, United States2013Owned by Thoma Bravo
LogPulse

LogPulse provides log management and security monitoring hosted in the EU.

Netherlands2026Private
Securonix

Securonix provides a cloud-native platform for security operations, combining SIEM, UEBA, SOAR and threat intelligence.

San Mateo, United States2008Private
Sekoia

Sekoia provides an AI-driven security operations platform for detecting, investigating and responding to cyber threats.

Rennes, France2022Private
Splunk

Splunk provides a data platform for security, observability, and AI.

San Jose, United States2004Owned by Cisco
Stellar Cyber

Stellar Cyber provides an AI-native security operations platform that unifies detection and response tools.

San Jose, United States2015Private
Sumo Logic

Sumo Logic provides cloud log management, monitoring, and SIEM tools for security and operations teams.

Redwood City, United States2010Owned by Francisco Partners
Wazuh

Wazuh provides an open source platform for security monitoring and threat detection.

San Jose, United States2015Private

Also active in SIEM

23 companies
CompanyBased inFoundedSizeOwnershipRevenue
Microsoft

Microsoft sells software, cloud services, hardware, and gaming products.

Redmond, United States1975228,000 staffPublic, MSFT$331.8bn (FY2026)
Palo Alto Networks

Palo Alto Networks provides cybersecurity platforms and services to protect organizations from cyber threats.

Santa Clara, United States200513,900 staffPublic, PANW$11.5bn (FY2026)
Fortinet

Fortinet provides cybersecurity solutions and services, including networking and security convergence, for enterprises and governments.

Sunnyvale, United States200015,109 staffPublic, FTNT$6.8bn (FY2025)
CrowdStrike

CrowdStrike provides AI-native cybersecurity solutions to stop breaches.

Austin, United States20117,925 staffPublic, CRWD$4.8bn (FY2026)
Rapid7

Rapid7 provides AI-powered managed cybersecurity operations, including MDR, SIEM, and vulnerability management.

Boston, United States2000500+ staffPublic, RPD$859.8m (FY2025)
Google

World-renowned cybersecurity firm now part of Google Cloud, delivering threat intelligence-led penetration testing and red teaming informed by front-line incident response experience.

Mountain View, United States2004500+ staffPrivate
7AI

7AI provides AI agents that automate security operations centre tasks for enterprises.

Boston, United States2024Private
Anomali

Anomali provides a threat intelligence platform and security analytics, built around its ThreatStream intelligence management product.

United States2013Private
Binary Defense

Binary Defense provides managed detection and response services and an AI-powered security platform.

Stow, United StatesPrivate
Cribl

Cribl provides a vendor-agnostic platform for managing, investigating, and analyzing telemetry data.

San Francisco, United States2018Private
CybaVerse

CybaVerse provides a unified cyber security operations platform called CybaOps.

Portsmouth, United Kingdom2018Private
D3 Security

D3 Security provides an agentic SOC platform that autonomously triages, investigates, and responds to security alerts.

Vancouver, Canada2002Private
Edge Delta

Telemetry pipelines that route, enrich and transform security and observability data to SIEMs and other destinations, plus AI agents for site reliability work.

Seattle, United StatesPrivate
Exaforce

Exaforce provides an agentic AI platform for security operations, detection, triage, investigation and response.

San Jose, United States2023Private
Foresite Cybersecurity

Foresite provides managed detection and response services using agentic AI for security operations.

Overland Park, United StatesPrivate
Huntress

Huntress provides managed cybersecurity services including endpoint detection, identity threat detection, and security awareness training.

Columbia, United StatesPrivate
Intezer

Intezer provides an AI-powered security operations center that investigates all alerts at forensic depth.

New York, United States2015Private
ManageEngine

ManageEngine provides IT operations, cybersecurity, and service management software for businesses.

Chennai, India1996Private
Mezmo

Mezmo sells an open-source agent harness called AURA, which runs in a customer's own environment using their tools, telemetry and operational context.

San Jose, United States2015Private
NetWitness

NetWitness provides cybersecurity platforms for threat detection, investigation and response across IT and OT environments.

Riverside, United States1997Private
Qevlar AI

Qevlar AI provides an autonomous security operations platform that investigates alerts and automates response.

Paris, France2023Private
Swimlane

Swimlane provides agentic AI automation for security operations, vulnerability management, and compliance.

Denver, United States2015Private
Bindplane

OpenTelemetry pipeline that collects, reduces, masks and routes logs and other telemetry to SIEM, storage and observability tools.

United StatesPrivate

Recent deals in SIEM

All SIEM deals
DateDealAmountSource
1 Sept 2026Palo Alto Networks acquired ConsoleSource for Palo Alto Networks buying Console, opens in a new tabUndisclosedSource for Palo Alto Networks buying Console, opens in a new tab
18 Aug 2026Fortinet acquired Virtue AISource for Fortinet buying Virtue AI, opens in a new tabUndisclosedSource for Fortinet buying Virtue AI, opens in a new tab
July 2026CrowdStrike acquired XM CyberSource for CrowdStrike buying XM Cyber, opens in a new tabUndisclosedSource for CrowdStrike buying XM Cyber, opens in a new tab
July 2026Cribl acquired CardinalOpsSource for Cribl buying CardinalOps, opens in a new tabUndisclosedSource for Cribl buying CardinalOps, opens in a new tab
March 2026Rapid7 acquired Kenzo SecuritySource for Rapid7 buying Kenzo Security, opens in a new tabUndisclosedSource for Rapid7 buying Kenzo Security, opens in a new tab
January 2026CrowdStrike acquired SGNLSource for CrowdStrike buying SGNL, opens in a new tab$740mSource for CrowdStrike buying SGNL, opens in a new tab
January 2026CrowdStrike acquired Seraphic SecuritySource for CrowdStrike buying Seraphic Security, opens in a new tab$420mSource for CrowdStrike buying Seraphic Security, opens in a new tab
November 2025Huntress acquired Inside AgentSource for Huntress buying Inside Agent, opens in a new tabUndisclosedSource for Huntress buying Inside Agent, opens in a new tab
September 2025CrowdStrike acquired PangeaSource for CrowdStrike buying Pangea, opens in a new tabUndisclosedSource for CrowdStrike buying Pangea, opens in a new tab
27 Aug 2025CrowdStrike acquired OnumSource for CrowdStrike buying Onum, opens in a new tab$290mSource for CrowdStrike buying Onum, opens in a new tab

Acquisitions come from SecurityWeek's monthly M&A round-ups from 2021 onwards, from Cybersecurity Ventures' quarterly M&A reports for 2020, and a few from Wikipedia lists. These are dated to the month. A few deals added from the news are dated to the day. Smaller deals may be missing. Amounts are in US dollars.

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Often listed alongside SIEM