What We Do
How we do it
Our Threat Response Unit (TRU) publishes security advisories, blogs, reports, industry publications and webinars based on its original research and the insights driven through proactive threat hunts.
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Mar 15, 2023
CVE-2023-23397 - Microsoft Outlook Elevation of Privilege Zero-Day Vulnerability
THE THREAT On March 14th, as part of Microsoft’s monthly Patch Tuesday release, the company disclosed a critical, actively exploited vulnerability impacting Microsoft Office and Outlook. The…
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About Us
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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Leadership Work at eSentire
Mar 20, 2023
Exertis and eSentire Partner to Deliver 24/7 Multi-Signal MDR, Digital Forensics & IR Services and Exposure Management to Organisations Across the UK, Ireland, and Europe
Basingstoke, UK– 20 March, 2023. Leading technology distributor, Exertis, announced today that it has bolstered its cybersecurity services, adding eSentire, the Authority in Managed Detection and Response (MDR), to its Enterprise portfolio of offerings. eSentire’s award-winning, 24/7 multi-signal MDR, Digital Forensics & Incident Response (IR), and Exposure Management services will be available…
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e3 Ecosystem
We provide sophisticated cybersecurity solutions for Managed Security Service Providers (MSSPs), Managed Service Providers (MSPs), and Value-Added Resellers (VARs). Find out why you should partner with eSentire, the Authority in Managed Detection and Response, today.
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Data sheet / solution brief

MDR with Microsoft Sentinel

Microsoft Security Solutions Partner and Microsoft Intelligent Security Association Membership logos.
24/7 Threat Visibility and Response Across Your Microsoft Ecosystem
A table showcasing the benefits and expected security outcomes of eSentire MDR for Microsoft.

Your Challenges

Increased attack volume & sophistication

Detecting threats across an ever-expanding attack surface in multi-cloud and hybrid environments presents problems that aren’t easily solved by technology alone.


of organizations have 11 or more active cloud services and applications

(Cybersecurity Insiders 2020)

You’re dealing with vendor sprawl and budget constraints

Security vendor and tool sprawl in combination with a post-pandemic operating environment has prompted many organizations to re-evaluate IT spend and strategy. Microsoft’s integrated security tools including Microsoft Sentinel allow for consolidation.


of organizations receive security alerts from 7 or more tools

(Neustar, 2020)

Your team lacks the cybersecurity resources to investigate and respond 24/7

The chances are your business does not have the in-house expertise and resources to properly optimize and manage tools like Microsoft Sentinel thanks to the perpetual global security skills shortage.


Global security skills gap

(ISC2, 2020)

The Solution

eSentire MDR with Microsoft Sentinel delivers critical threat visibility and 24/7 monitoring across Microsoft 365, Azure, multi-cloud, and hybrid environments. We leverage your existing investment in Microsoft Sentinel, Microsoft’s leading cloud SIEM platform, to provide our SOC cyber analysts important investigative context required to detect and contain threats before they impact your business. eSentire MDR’s integration with Microsoft 365 Defender XDR and Azure cloud security tools enables and streamlines rapid response to threats at multiple attack vectors including endpoint, email, and identity.

How it Works

A graphic demonstrating how eSentire MDR for Microsoft works to detect and contain cyber threats across Microsoft 365 and Azure environments.

Robust Multi-Cloud and Hybrid Environment Coverage

Detect threats across Microsoft 365 and Azure (including but not limited to):
  • Microsoft 365 Defender
    • Microsoft Defender for Endpoint
    • Microsoft Defender for Office 365
    • Microsoft Defender for Identity
    • Microsoft Defender for Cloud Apps
  • Microsoft Sentinel
    • Microsoft Defender for Cloud
    • Azure Active Directory
Detect threats in non-Microsoft cloud infrastructure and applications (including but not limited to):
  • AWS
  • Google Cloud Platform
  • Google Workspace
Detect threats leveraging common security and network infrastructure tools (including but not limited to):
  • Network security technology (Palo Alto, Cisco, etc)
  • Email security platforms (Mimecast, Proofpoint, etc.)
  • VPN providers (Palto Alto, Cisco, etc)
  • Web gateway solutions (Citrix)

Not All MDR for Microsoft is Created Equal

A table comparing the benefits of eSentire MDR for Microsoft Sentinel versus other MSSP/MDR providers.

Maximize Your Investment in the Microsoft Security Stack with eSentire MDR

eSentire MDR with Microsoft Sentinel combines our multi-signal detection, 24/7 threat hunting, deep investigation, and complete response capabilities with your existing investment in the Microsoft’s leading cloud SIEM. You can significantly reduce overall security spend and maximize ROI while substantially reducing the risk of suffering a business-disrupting breach.

Total Economic Impact of Microsoft Sentinel


Faster time to deployment


Reduction in false positives


Cost reductions in SIEM costs (licencing, storage, and infrastructure spend with Microsoft Sentinel)

Forrester, 2020

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 isolate hosts, contain threats and remediate security incidents across your Microsoft suite.

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 managed 100+ successful Microsoft MDR deployments to date.

Unique Intelligence, powered by our Threat Response Unit

Supercharge your Microsoft security investments with our proprietary threat content, runbooks, and AI/ML innovations created by our industry-renowned Threat Response Unit (TRU).

Time to Value

Our zero-install onboarding delivers value in hours not days or weeks. eSentire’s disciplined service deployment and robust escalation processes ensure complete response when you need it most.


End-to-end risk mitigation and coverage across our Managed Risk, Managed Detection and Response and Incident Response services.

Cost Effective

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

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Ready to get started?

Connect with an eSentire Security Specialist to learn how we can help you build a more resilient security operation and prevent disruption.