Managed Defense

Reveal covert threats and accelerate response using our frontline intelligence and expertise

FireEye Managed Defense (formerly FireEye as a Service) is a managed detection and response (MDR) service that combines industry-recognized cyber security expertise, FireEye technology and unparalleled knowledge of attackers to help minimize the impact of a breach.

Managed Defense is continuously fueled by the industry’s largest global cyber threat intelligence capability; harnessing machine, campaign, adversarial, and victim intelligence gained on the front lines of the world’s most consequential cyber-attacks. This frontline intelligence and expertise drives detection and guides our analysts’ hunting and investigation activities to reveal even the most sophisticated attacker. Our battle-savvy security analysts provide a comprehensive assessment of attacker activity along with customized response recommendations, delivering the context needed to understand threats, assess risk, and take definitive action.


Answers, Not Alerts

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Watch our Managed Defense experts describe their proactive approach to hunting for threats in your environment.

The FireEye as a Service Architecture

The Managed Defense Architecture

Hunting for Threats in FireEye as a Service

Hunting for Threats in Managed Defense

From Alert to Fix – A Day in the Life of a FaaS Analyst

From Alert to Fix – A Day in the Life of a Managed Defense Analyst

Accelerating response to reduce business risk

Detect threats that matter

Detect threats that matter

Gain real-time visibility into threats within and outside your organization.

  • Adaptive detection, informed by adversary, victim and machine intelligence
  • Receive advance notification of emerging attack campaigns impacting others
Reveal hidden attacker activity

Reveal hidden attacker activity

Amplify your team with expertise gained on the frontlines.

  • Leverage proven hunting methodologies that identify covert attacker behavior
  • Hunt frequently and systematically across your environment to reduce the risk of detection gaps
Respond confidently and correctly

Respond confidently and correctly

Take definitive action to reduce breach impact.

  • Clearly understand the risk using contextually rich, investigation reports
  • Accelerate response using prescriptive remediation recommendations


“The FireEye suite of technologies combined with FireEye as a Service provides a level of coverage and visibility that my organization could not afford to duplicate by other means (e.g. hiring the necessary staff).”

- C.L., Information Security Manager for a mid-sized US manufacturer

Managed Defense features

Extend your security operation with frontline intelligence and expertise

Massive dataset

Massive dataset

Intel researchers and data scientists sift through more than a decade of accumulated machine, campaign, adversarial, and victim data to detect anomalies indicative of an attack.

Attacker playbooks

Attacker playbooks

Expert hunters continually refine extensive dossiers detailing attacker targets, motivations, behavior and tactics.

Refined methodologies

Refined methodologies

Iterative discovery and development processes transform analyst-refined hunting hypotheses into proven, repeatable methodologies.

Hunting at scale

Hunting at scale

Frequent application of automated hunting processes across FireEye customer base provides advance visibility and notification of emerging attack trends.

Threat assessment managers

Threat assessment managers

Provide insight on risks specific to your industry and provide guidance on potential ways to improve your risk posture.

Industry-recognized expertise

Industry-recognized expertise

Elite team of analysts, backed by more than 1000 cybersecurity experts and global threat researchers with over 10 years’ frontline experience.

Definitive answers

Definitive answers

In-depth investigation reports include rich context and response recommendations so you can quickly assess risk and take action.

Global scale

Global scale

24 x 7 x 365 coverage by seven Cyber Threat Operation Centers (CTOCs) in the United States (Virginia and California), Ireland, Germany, Singapore, Sydney and Japan.

How Managed Defense works

Managed Defense is a managed detection and response service that combines industry-recognized cyber security expertise, FireEye technology and unparalleled knowledge of attackers to help minimize the impact of a breach.

  • Managed Defense uses our proprietary technology stack to provide real-time visibility across the enterprise, including ICS and cloud infrastructure. 
  • FireEye’s expert threat analysts leverage adversary, victim and machine-based threat intelligence to detect, investigate and proactively hunt for known and previously undetected threats. 
  • When signs of compromise are confirmed, you are notified immediately and can review the latest findings via a secure portal while our analysts continue to investigate the incident. 
  • You also receive a detailed summary report that provides threat context along with remediation recommendations to form an effective response and help prevent attackers from completing their mission.

Related resources

Related products and services


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Incident Response Services

Resolve security incidents quickly, efficiently and at scale.

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Ask about FireEye solutions, implementation or anything else. Our security experts are standing by, ready to answer your questions.

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