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Managed Defense

Join Forces with Frontline Experts

Amplify your team and elevate your security with managed detection and response (MDR) services delivered by experts with years of frontline experience and backed by nation-grade threat intelligence.

Threat Hunting with Mandiant Managed Defense
Answers, not alerts

Answers, not alertsTM

Identify, investigate and prioritize alerts in context so you can focus on threats that matter.

Accelerate your response

Accelerate your response

Respond to attacks before they disrupt your business with the collective knowledge and experience of Mandiant.

Augment your defense

Augment your defense

Gain dedicated experts to train, advise and elevate your program.


Forrester calls FireEye a Strong Performer for FireEye Managed Defense in
“The Forrester Wave™: Managed Detection And Response, Q1 2021” report.

Fortify your Defender for Endpoint with Mandiant expertise

Microsoft Defender for Endpoint customers can enhance their technology with the support of experts who routinely respond to and protect against motivated adversaries.

Fortify your Defender for Endpoint with Mandiant expertise
Minimize your risk from strategic ransomware threats

Minimize your risk from strategic ransomware threats

Managed Defense knows more about attacker behavior and uses that knowledge to protect against advanced threats. We focus on the attacker tactics, techniques and procedures to reduce the average dwell time of a strategic ransomware actor from 72 days to 24 hours or less.

Managed Defense (MDR) Features

Augment your defenses with a managed detection and response service backed by both Mandiant Threat Intelligence and Incident Response. Managed Defense includes standard and unique features to protect from stealthy and damaging attacks.

Detection & Threat Hunting

  • Expert monitoring across the enterprise
    Expert monitoring and threat hunting across FireEye endpoint, network, cloud, email and logs.
  • Managed detection to identify the most impactful threats
    Identify and prioritize the most critical threats that need attention, saving your team time and effort.
  • Alerts supplemented with critical threat context
    Enrich alerts with Mandiant threat intelligence to inform decision making.
  • Proactive threat hunting with MITRE ATT&CK mapping
    Detect hidden breaches and potential cyber attacks with threat hunting missions adapted in real time to changes in attacker behavior and mapped to the MITRE ATT&CK framework.


  • Rapid Response to reduce the impact of a security incident
    Avoid the added cost of onsite IR with swift investigation to stop incidents before they disrupt your business.
  • Contain impacted hosts
    Help from experts to act quickly and contain potentially compromised assets as directed.
  • Actionable guidance for an effective response
    Benefit from remediation recommendations based on the collective knowledge and experience of Mandiant.

Enhance Your Security

  • A designated team of experts you can depend on
    Amplify your team, in an advisory or contributory capacity with experts, who have unique and differentiated cyber security skills.
  • Threat intelligence
    Gain a deeper understanding of threats and enrich alerts with Mandiant's industry-leading threat intelligence.
  • Expanded coverage of security operations
    Gain around-the-clock monitoring of alerts and expert coverage for your Security Operations Center (SOC).
  • Security fortification to improve effectiveness
    Ongoing assessment and recommendations informed by relevant intelligence and understanding or your environment.

Managed Defense Offerings

Managed Defense Nights and Weekends

Seamless off hours protection for organizations looking to move to 24x7 coverage without the overhead.

Managed Defense for Endpoint Security

Elevate your defense with Mandiant expertise and FireEye integrated tools that help to identify, isolate and remove endpoint threats.

Managed Defense for Operational Technology

MDR services specifically tailored for Industrial Control Systems (ICS) / Operational Technology (OT) environments.


“We chose Mandiant Managed Defense because it provides quality reporting as well as high-fidelity detection, investigation and hunting. The Mandiant experts augment and complement our in-house capabilities and keep watch during our off-line hours.”

- Matthew Snyder, CISO, Penn State Health Milton S. Hershey Medical Center


Customer Stories
See more Managed Defense customer stories.

Light in the Dark: Hunting for SUNBURST

Get a first-ever look inside how Mandiant Managed Defense addressed SUNBURST threat with customers, including what threat hunting techniques supported our customer-focused response.

Light in the Dark: Hunting for SUNBURST

MITRE ATT&CK Evaluation Demonstrates Mandiant Managed Defense Detection
and Response Leadership

Maximize Your MDR with Expertise On Demand

Access more Mandiant expertise and supplemental capabilities with multiple easy and cost-effective resources.

Supplemental Intel

Gain a deeper understanding of threats to your organization through supplemental intelligence and the “Ask An Analyst” feature.

Additional Expertise

Get greater access to resources with specialized expertise such as malware reverse-engineering.

Capability Improvement

Enhance your team’s skills with practitioner-led training on threat analysis, hunting, and incident investigation and response.

Related resources

Ready to get started?

Our security experts are standing by to help you with an incident or answer questions about our
consulting and managed detection and response services.

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