24x7 MDR for Defender
Fully tuned, expertly managed.
Many organizations use Microsoft Defender, but few have the bandwidth to continuously tune it, investigate all alerts, and act quickly.
NuHarbor’s MDR for Defender offers 24x7 detection and response, purpose-built for speed, accuracy, and efficiency.
- 24/7 detection and response from U.S.-based SOC analysts
- Review every Defender alert and escalate only what matters
- Operationalize your Microsoft investment with no new hires required
Talk to a MDR for Microsoft expert
“NuHarbor helped us tune Defender, focus on real threats, and respond faster. It’s a relief knowing someone’s watching when we’re not.”
Key benefits of NuHarbor's MDR for Defender
We fine-tune your Defender endpoint environment to reduce false positives, enhance threat visibility, and automatically isolate threats before they spread. When deeper analysis is needed, our analysts step in, ensuring every alert gets the right level of attention without overwhelming your team.
Cut through the noise with fewer false positives
Improve threat visibility across your Defender environment
Contain threats quickly with automated isolation of impacted endpoints
Access real-time support from experienced security professionals
Streamline compliance reporting with clear insights
Get more value from Defender without increasing your internal workload

Our approach
NuHarbor’s MDR for Defender follows a proven process, optimizing Defender's effectiveness and freeing your team to work on what matters most.
-
We review every Defender alert and escalate only what matters.
-
Our automation isolates impacted endpoints and blocks lateral movement to speed containment.
-
Security analysts guide investigations and provide deeper analysis and remediation recommendations when needed.
-
We continuously tune Defender to uncover gaps, sharpen detection, and ensure the value of your alerts.
-
Reporting delivers clear, actionable insights aligned to your security and compliance needs.

The NuHarbor advantage
Our MDR for Defender is built on deep Microsoft expertise and real-world security experience to deliver meaningful results.
- Microsoft security specialists with hands-on Defender expertise
- Actionable guidance aligned to your environment and priorities
- Proven methodology for configuration, tuning, and optimization
- Demonstrated value through measurable security outcomes
- Trusted partner to public and private sector organizations for over a decade