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Microsoft Exchange Vulnerability - CVE-2021-42321
THE THREAT eSentire has identified publicly available Proof-of-Concept (PoC) exploit code, for the critical Microsoft Exchange vulnerability CVE-2021-42321. CVE-2021-42321 was announced as part of Microsoft’s November Patch Tuesday release. Exploitation would allow a remote threat actor, with previous authentication, to execute code on vulnerable servers. Prior to the patch release, Microsoft…
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Blog — Jan 02, 2020

The Seven Categories of MDR - #7 – MD-Big-R (Full Telemetry)

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Emerging from the traditional managed security service provider (MSSP) model, Managed Detection and Response (MDR) is an answer to the fact that threat actors have increased their ability to circumvent traditional detection measures. As early as 2011, MDR emerged (uncategorized at the time) with a single guiding principal: Acknowledge that a breach will happen. When it does, minimize threat actor dwell time to reduce risk.

However, as the MDR market has evolved, four criteria remain constant as key to minimizing threat actor dwell time in the event of a breach: visibility, fidelity, detection capabilities and response. When these criteria are measured against in-house resources, risk tolerance and available budget, they can be used to choose the appropriate MDR vendor based on your organizational requirements.

To help organizations make an informed cybersecurity solutions choice, eSentire has authored, The Definitive Guide to Managed Detection and Response (MDR) (and this blog series) which examines seven categories of MDR providers, measured across four criteria, which include:

MDR Category #7 – MD-Big-R (Full Telemetry)
MDR-FT is a viable option for organizations that have substantial security budgets and are looking for complete threat and IR Lifecycle coverage across any environment.

Profile
MD-big-R (Full Telemetry), or MDR-FT, represents the MDR indus- try’s most complete offerings.

Full visibility across on-premises and cloud environments, coupled with integrated machine learning and behavioral analysis, feeds threat hunters with vital information and facilitates near real-time threat detection and containment. Additionally, SLAs strictly outline potential threat actor dwell time, limiting client-side requirements for IR Lifecycle coverage.

Accordingly, the cost to remove those requirements for in-house capabilities across people, process and technology is typically hefty.

Importantly, organizations looking to outsource to MDR-FT providers must have complete trust in the provider’s capability to deliver on SLAs, or else the organization could be put at risk without adequate internal resources to address gaps. MDR-FT is a viable option for organizations that have substantial security budgets and are looking for complete threat and IR Lifecycle coverage among on-premises and cloud workloads.

Coverage

Strengths

Weaknesses

Questions and considerations:

While this blog provides a snapshot of one category of MDR, the intricacies and interdependencies are the varying types is complex. To learn more about the strengths and weaknesses for each of the seven MDR categories and how you can make an informed decision about what MDR solution best suits your organization, download The Definitive Guide to Managed Detection and Response (MDR) here: https://www.esentire.com/resource-library/the-definitive-guide-to-managed-detection-and-response-mdr

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Akash Malhotra
Akash Malhotra Technical Developer/Writer

With diverse knowledge of computer security, threat intelligence and front-end web development, Akash has worked with developing and documenting API libraries with Cymon.io, our open source threat intelligence aggregator.