FireEye
FireEye provided advanced threat detection, incident response, and threat intelligence services to protect enterprises from sophisticated cyberattacks and nation-state threats.
Last updated Jun 27, 2026 by the ATDb Editorial Team
At a glance
About
FireEye was a leading cybersecurity vendor specializing in advanced threat detection and response, not an AdTech company
FireEye was a prominent cybersecurity company founded in 2004 that specialized in advanced threat detection, incident response, and security intelligence. The company became widely recognized for its threat intelligence capabilities and its Mandiant division, which gained fame for investigating high-profile cyberattacks including the 2013 breach of Target and numerous nation-state sponsored attacks. In 2021, Symphony Technology Group acquired FireEye's products business for $1.2 billion, while FireEye divested its network security products to McAfee Enterprise (now Trellix) and rebranded the remaining threat intelligence and incident response business as Mandiant. The FireEye brand effectively ceased to exist as a distinct entity following this restructuring. Mandiant, operating under Google Cloud following its acquisition by Google in 2022 for $5.4 billion, continues the legacy of FireEye's threat intelligence and incident response services. The company provided enterprise-focused cybersecurity solutions including managed defense services, threat intelligence platforms, and security validation tools. FireEye's significance in the cybersecurity ecosystem was substantial, as it was often called upon to investigate the world's most sophisticated cyberattacks and provided critical intelligence on advanced persistent threats (APTs) and nation-state actors. FireEye had no direct connection to the advertising technology (AdTech) industry. It operated exclusively in the cybersecurity sector, providing threat detection, incident response, and security intelligence services to enterprises, government agencies, and critical infrastructure organizations. The company's focus was on protecting organizations from cyber threats, not on advertising, marketing technology, or digital media solutions.
Business model
B2B Enterprise
Target market
Large enterprises and government organizations requiring advanced cybersecurity and threat intelligence solutions
What they offer
FireEye Network Security
Network-based threat detection platform that identified and blocked advanced threats
FireEye Endpoint Security
Endpoint protection solution for detecting and responding to threats on devices
FireEye Email Security
Email threat protection against phishing and malware attacks
Mandiant Consulting
Elite incident response and forensic investigation services
Threat Intelligence
Research and intelligence on threat actors and attack campaigns