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ESENTIRE SERVICES
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Managed Detection and Response

Combine cutting-edge XDR technology, multi-signal threat intelligence and 24/7 Elite Threat Hunters to help you build a world-class security operation.
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Digital Forensics and Incident Response

Get unlimited Incident Response with threat suppression guarantee - anytime, anywhere.

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Continuous Threat Exposure Management (CTEM)

CTEM and advisory programs that identify security gaps and build proactive strategies to address them.
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Security Operations Center (SOC)

24/7 SOC-as-a-Service with unlimited threat hunting and incident handling.
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Response (XDR)

XDR with machine learning that eliminates noise, enables real-time detection and response, and automatically blocks threats.
Technology Integrations

Seamless integration and threat investigation across your existing tech stack.
Threat Response Unit (TRU)

Proactive threat intelligence, original threat research and a world-class team of seasoned industry veterans.
Cyber Resilience Team

Extend your team capabilities and prevent business disruption with expertise from eSentire.
Response and Remediation

We balance automated blocks with rapid human-led investigations to manage threats.
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MDR Packages and 24/7 Protection
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Flexible MDR pricing and packages that fit your unique security requirements.
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Entry level foundational MDR coverage
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Ransomware

Stop ransomware before it spreads.
Cybersecurity Compliance

Meet regulatory compliance mandates.
Zero Day Attacks

Detect and respond to zero-day exploits.
Cloud Misconfiguration

End misconfigurations and policy violations.
Third-Party Risk

Defend third-party and supply chain risk.
Do More With Less

Prevent disruption by outsourcing MDR.
Cyber Risk

Adopt a risk-based security approach.
Cyber Insurance

Meet insurability requirements with MDR.
Sensitive Data Security

Protect your most sensitive data.
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Build a proven security program.
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Operationalize timely, accurate, and actionable cyber threat intelligence.
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SECURITY ADVISORIES
Apr 01, 2025
CrushFTP Authentication Bypass

THE THREAT As of April 1st, 2025, eSentire has identified suspected exploitation of the critical CrushFTP authentication bypass vulnerability CVE-2025-2825. On…

 Mar 24, 2025
Critical Next.js Vulnerability (CVE-2025-29927)

THE THREATOn March 22nd, Next.js released a security advisory addressing a critical authorization bypass vulnerability in the Next.js framework. The vulnerability, tracked as CVE-2025-29927…
View Advisories →
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ABOUT ESENTIRE

eSentire is The Authority in Managed Detection and Response Services, protecting the critical data and applications of 2000+ organizations in 80+ countries from known and unknown cyber threats. Founded in 2001, the company’s mission is to hunt, investigate and stop cyber threats before they become business disrupting events.

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Home What We Do MDR MDR for Microsoft

MDR FOR MICROSOFT

Visibility and Response Across Your Entire Microsoft Security Ecosystem

Maximize your Microsoft investment with 24/7 Managed Detection and Response with our Microsoft security solutions. As part of eSentire MDR for Microsoft, we identify, contain, respond to and remediate threats across Microsoft Sentinel and Defender for Endpoint, Identity, Office 365 and Cloud Apps services.

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BUILD A QUOTE

Secure Your Microsoft Investment with eSentire MDR for Microsoft

We stop threats across your Microsoft ecosystem before your business is disrupted.

Organizations are investing in Microsoft 365 E5 to get the most security capabilities and features for their investment but many fail to take advantage of Microsoft’s advanced and cost-effective cybersecurity solutions, largely due to a lack of in-house expertise and resources to properly optimize and manage these tools.

At eSentire, we share Microsoft’s zero-trust approach to cybersecurity and firmly believe that you need a certified, experienced, and trusted partner to protect your investment in the Microsoft ecosystem. As part of eSentire MDR for Microsoft security solutions, we offer complete multi-signal MDR across your Microsoft Sentinel and Defender for Endpoint, Identity, Office 365 and Cloud Apps services.

eSentire MDR for Microsoft provides:

24/7 Microsoft Ecosystem Visibility 

Elite Threat Hunting and Original Research 

24/7 Security Event Monitoring 

Certified Microsoft Experts 

24/7 Threat Detection and Investigation 

24/7 Live SOC Cyber Analyst Support 

Frequent Pushes of New Proprietary Threat Detection Content and Runbooks Specific to Microsoft 

24/7 Threat Disruption and Complete Response On Your Behalf

How eSentire MDR for Microsoft Works

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eSentire MDR with Microsoft Defender XDR

Stop advanced threats and minimize the risk of business disruption across your users, endpoints, and cloud applications. Microsoft alerts are supported and operationalized by eSentire’s MDR with Microsoft Defender XDR service with new alerts continually being operationalized.

Microsoft Defender for Endpoint

Microsoft Defender for Office 365

Microsoft Defender for Identity

Microsoft Defender for Cloud Apps

ESENTIRE MDR WITH MICROSOFT DEFENDER XDR

Microsoft Defender for Endpoint

Endpoint protection, detection, response, and remediation

Telemetry used:

Processes, files, network connections, registry changes

Examples of detections investigated by the eSentire SOC:

Malware in a .zip file, phish malware, suspicious service launch, a file or network connected related to ransomware, known attack IOCs, and suspicious files

ESENTIRE MDR WITH MICROSOFT DEFENDER XDR

Microsoft Defender for Office 365

Mitigate the risk of phishing and business email compromise

Telemetry used:

Sender IPs and domains, email heuristics, sandboxes files and links, user reported emails

Examples of detections investigated by the eSentire SOC:

Malicious URL clicked, malware detected in email, suspicious email forwarding, suspicious email sending patterns, suspicious email containing malware, phishing URLs, delivery attempts of phishing emails, malicious file or malicious URL removed after delivery, and mailbox granted permissions and reported emails by user

ESENTIRE MDR WITH MICROSOFT DEFENDER XDR

Microsoft Defender for Identity

Investigate and respond to compromised identities and insider threats

Telemetry used:

AD activity, parsed network traffic, windows event logs

Examples of detections investigated by the eSentire SOC:

Pass the certificate, suspected domain controller promotion, encryption downgrade, forged authorization data, ticket and time anomaly, and suspected brute force attacks.

ESENTIRE MDR WITH MICROSOFT DEFENDER XDR

Microsoft Defender for Cloud Apps

Rich visibility into data and user activity across your cloud SaaS applications

Telemetry used:

Cloud traffic, cloud traffic logs, relevant telemetry from specific cloud apps

Examples of detections investigated by the eSentire SOC:

Suspected identity theft

eSentire MDR with Microsoft Sentinel

Critical threat visibility and 24/7 monitoring across multi-cloud, and hybrid environments.

eSentire MDR with Microsoft Sentinel detects and investigate threats in:

Entra ID, azure Active Directory, Microsoft Defender for Cloud, AWS, Google Cloud Platform, Google Workspace, Existing Security Controls and Network Infrastructure

We’ve built 500 runbooks in Microsoft Sentinel, which are available to all eSentire MDR for Microsoft Sentinel customers. These runbooks provide our SOC with details including which incidents to identify, whether the incident is a malicious event, and next steps.

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GUIDE

Questions to Consider When Evaluating an MDR for Microsoft Provider

Learn the top questions you should ask as you evaluate your next MDR for Microsoft provider.

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GUIDE

RFP/RFI Sample Questions for Microsoft MDR Providers

Get an in-depth template you can use when selecting an MDR Microsoft vendor to secure your Microsoft ecosystem. 

GET THE GUIDE →

Why Choose eSentire to Secure Your Microsoft Ecosystem

Response and Remediation

We prioritize the R in MDR. We actively respond to threats on your behalf while the other guys overload you with alerts to investigate. That means we are isolating hosts, containing threats and remediating security incidents across your Microsoft suite.

Time to Value

Zero-install onboarding with time to value in days, not weeks or months. Disciplined service deployment and robust escalation processes to ensure complete response.

Certified and Experienced

We are a Microsoft Security Solutions Partner and are proud Microsoft Intelligent Security Association (MISA) members, demonstrating our leadership in multi-cloud security and Microsoft expertise. We’ve overseen 500+ successful Microsoft MDR deployments to date and have 210,000+ Microsoft endpoints under management.

Unique Intelligence, Powered by our Threat Response Unit

Supercharge your Microsoft security investments with improved detection and response capabilities, our proprietary threat content, runbooks, and AI/ML innovations created by our elite Threat Response Unit (TRU).

Complete Coverage

End-to-end cyber risk mitigation and coverage across our Continuous Threat Exposure Management, Managed Detection and Response, and Incident Response services.

Cost-Effectiveness

Leverage your existing licenses and investment in Microsoft to optimize your security posture with enhanced visibility, controls and response capabilities.

eSentire MDR for Microsoft in Action

Venerable: Insurance Annuity Sector Case Study

See how eSentire worked with Venerable to mitigate cyber risks and address their multi-cloud cybersecurity strategy with:

  • 24/7 Threat Detection and Investigation with eSentire MDR for Log to identify and investigate cyber threats within Venerable’s AWS environment
  • Cloud Security Posture Management to reduce their risk by improving cloud visibility, tracking critical assets and monitoring for misconfigurations, policy notifications and security vulnerabilities  
  • eSentire MDR for Microsoft to ensure complete detection, response and remediation across endpoints
Venerable Logo READ NOW →

Not All MDR for Microsoft is Created Equal

At eSentire, we go beyond the market’s capabilities in Response.

We don’t just detect and investigate threats across your Microsoft ecosystem – we actively respond. That means we’re isolating hosts, containing threats, and remediating security incidents on your behalf.

As part of our complete response across Microsoft Defender XDR and Microsoft Sentinel, you should expect:

Table Image Explaining not all MDR is equal Table Image Explaining not all MDR is equal - Mobile

What You Can Expect from eSentire MDR for Microsoft

Complete Microsoft Ecosystem Visibility and Optimization

Unparalleled Threat Response and Remediation

Maximum ROI on Microsoft Cloud Investments

Highly Certified Expertise

OUR DIFFERENCE

Complete Microsoft Ecosystem Visibility and Optimization

YOUR RESULTS

Centralize visibility and account for risks across your Microsoft cloud ecosystem. Get expert guidance and support from eSentire’s Microsoft team to optimize your cybersecurity controls and overall posture.

OUR DIFFERENCE

Unparalleled Threat Response and Remediation

YOUR RESULTS

Build a resilient security operation by combining cutting-edge XDR technology and our security expertise to stop and remediate cyber threats across endpoint, email, cloud, and identity vectors.

OUR DIFFERENCE

Maximum ROI on Microsoft Cloud Investments

YOUR RESULTS

Unlock the full potential of the controls and tools that exist within your investments in Microsoft Defender XDR and Microsoft Sentinel. Plus, our cybersecurity experts become a 24/7 extension of your team.

OUR DIFFERENCE

Highly Certified Microsoft Expertise

YOUR RESULTS

As an active member of the Microsoft Intelligent Security Association (MISA) we have achieved MXDR status with Microsoft and are a Microsoft Security Solutions Partner. We have managed 500+ Microsoft MDR deployments and have 210,000+ Microsoft endpoints under management.

MDR for Microsoft FAQ

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WATCH NOW →
ON-DEMAND WEBINAR

Maximize Your Microsoft Investment With 24/7 MDR

Microsoft E5 provides a powerful combination of advanced security features that safeguard your data and infrastructure, facilitating not just compliance but proactive defense. Optimizing your use of Microsoft E5 ensures that you capitalize on these sophisticated security tools to protect your assets and maintain cyber resilience.

Watch this on-demand webinar to learn how to fully leverage the value of your Microsoft Investment.

Key areas of discussion include:

  • Why organizations are making an investment in Microsoft E5 and the comprehensive benefits of this licensing option.
  • How eSentire classifies alerts and detections that come out of these platforms, including examples of intrusion-type events in Microsoft Defender for Endpoint and Defender for Identity.
  • Understanding the Total Cost of Ownership benefits including how organizations can significantly reduce overall security spend without sacrificing quality.
  • The importance of considering a supported investment in multi-signal MDR to operationalize Microsoft capabilities and enhance an organization's security posture.

MDR for Microsoft FAQ 

What is an MDR for Microsoft security solution?

An MDR for Microsoft security solution directly and securely connects to your Microsoft environment, taking full advantage of the mature security provider controls that exist within Microsoft’s platform. An MDR for Microsoft security solution can significantly reduce overall security spend and maximize ROI while substantially reducing risk of suffering a business-disrupting breach.

Why is MDR for Microsoft security solution important?

Many organizations are replacing legacy tools with Microsoft’s advanced and cost-effective cybersecurity solutions. Despite being familiar with the Microsoft suite, many businesses do not have the in-house expertise and resources to properly optimize and manage these tools. An MDR for Microsoft security solution helps you detect, investigate, respond, and remediate threats 24/7 across your Microsoft ecosystem.

What is eSentire MDR for Microsoft?

eSentire MDR for Microsoft detects, investigates, responds, and remediates threats 24/7 across your Microsoft ecosystem.

With eSentire MDR for Microsoft you can expect:

  • 24/7 Microsoft Ecosystem Visibility
  • 24/7 Security Event Monitoring
  • 24/7 Threat Detection and Investigation
  • 24/7 Complete Response and Threat Disruption
  • Elite Threat Hunting and Original Research
  • Certified Microsoft Experts
  • Proprietary Threat Detection Content and Microsoft Runbooks

Team eSentire is a Microsoft Security Solutions Partner and we are an active member of the Microsoft Intelligent Security Association (MISA).

Contact us to more about how we can stop threats across your Microsoft ecosystem before they disrupt your business operations.

Security Leaders Count on
eSentire MDR for Microsoft

As more traffic and workloads move to the Microsoft stack, cybersecurity leaders can count on eSentire for complete, multi-signal coverage. We’ve managed 500+ successful Microsoft MDR customer deployments to date and currently have 210,000+ endpoints under management with Microsoft Defender for Endpoint across our global customer base.

At eSentire, we don’t just detect and investigate threats across your Microsoft environment – we provide complete and robust response across your entire attack surface.

PLAY VIDEO

case study video

QC Holdings

QC Holdings is a leading alternative financial services organization offering short-term loans to small businesses and individuals in the U.S. and Canada.

Initially, QC Holdings outsourced 24/7 monitoring, detection, and response capabilities to another MDR provider. However, the firm was not satisfied with the quality of proactive 24/7 threat investigation, missed alerts, and failure to leverage their existing Microsoft investments for security monitoring.

By switching to eSentire, they were able to enhance their security posture with:

  • 24/7 security monitoring
  • 24/7 threat detection, investigation, and complete response
  • Immediate live SOC Cyber Analyst support
  • Seamless integration with their existing Microsoft E5 technology stack
WATCH THE CASE STUDY VIDEO →

PLAY VIDEO

case study video

Quarles & Brady

Quarles & Brady is a multi-practice law firm that was looking to adopt Microsoft 365 but didn’t have sufficient in-house expertise to operationalize the tools.

Outsourcing cybersecurity operations to eSentire allowed the firm to have:

  • 24/7 Threat Detection and Response across the company’s large IT environment
  • Access to cybersecurity experts that act like an extension of their team
  • Complete visibility across the attack surface
  • Best-in-class tools at a cost-effective price
WATCH THE CASE STUDY VIDEO →
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Total Cost of Ownership Benefits

By combining eSentire MDR with your existing investment in the Microsoft ecosystem, you can significantly reduce overall security spend without sacrificing quality. When compared to the DIY approach, you can reduce the total cost of ownership for threat detection and response by 50%:

Improved ROI

Better Security Outcomes

Reduced Business Risk

35% Technology and cost savings

Technology and cost savings

80% Reduction in total management costs

Reduction in total management costs

50% Reduction in total implementation and management costs

Reduction in total implementation and management costs

50% Reduction in overall threat detection and response TCO

Reduction in overall threat detection and response TCO

Blog

Why You Should Take Advantage of Microsoft 365 Defender, the Microsoft 365 E5 Security Suite

Read this blog to understand features of the Microsoft 365 E5 Security Suite and why you should partner with an MDR for Microsoft provider to help reduce your overall cybersecurity spend, stop cyber threats across your Microsoft ecosystem, and fully utilize the benefits from your Microsoft investment.

READ NOW →

WHAT WE DO

All-in-One Managed Detection and Response Service

Learn more about eSentire Proven MDR service which provides advanced detection, 24/7 threat hunting, end-to-end coverage, and complete response.

LEARN MORE →

Additional MDR for Microsoft Resources

SOLUTION BRIEF
MDR for Microsoft
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DATA SHEET
MDR with Microsoft Defender for Endpoint
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DATA SHEET
MDR with Microsoft Sentinel
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We’re here to help! Submit your information and an eSentire representative will be in touch to demonstrate how eSentire MDR for Microsoft stops threats across your Microsoft ecosystem before they impact your business.

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