eSentire vs Quorum Cyber
eSentire is a Pure-play MDR that works with your existing tools. Quorum Cyber is a Microsoft-ecosystem that works with your existing tools. eSentire targets SMB, Mid-market, and Enterprise organizations; Quorum Cyber serves SMB, Mid-market, and Enterprise. eSentire includes 5 attack surfaces in base pricing (Endpoint, Cloud, SaaS, Identity, Network), compared to 4 for Quorum Cyber (Endpoint, Cloud, SaaS, Identity).
Buyer brief
eSentire is a Pure-play MDR that works with your existing tools. Quorum Cyber is a Microsoft-ecosystem that works with your existing tools. eSentire targets SMB, Mid-market, and Enterprise organizations; Quorum Cyber serves SMB, Mid-market, and Enterprise. eSentire includes 5 attack surfaces in base pricing (Endpoint, Cloud, SaaS, Identity, Network), compared to 4 for Quorum Cyber (Endpoint, Cloud, SaaS, Identity).
eSentire (Pure-play MDR) and Quorum Cyber (Microsoft-ecosystem) serve different buyer profiles. Your decision depends on whether you prioritize eSentire's esentire excels at active, hands-on response and publicly reports 15-minute containment or Quorum Cyber's the strongest microsoft-native mdr option with a tiered model spanning smb to enterprise, backed ....
At a glance
| FIELD |  |  |
|---|---|---|
| Best fit | Organizations wanting a provider that publicly reports 15-minute containment with true active remediation | SMBs needing affordable 24/7 MDR via Clarity Defend, with a growth path to enterprise-grade Protect tier |
| Price | Buyer benchmark: $30-100/endpoint/yr | Custom quote |
| Response authority | 6/6 actions · Configurable | 6/6 actions · Configurable |
| Stack | Works with existing stack | Works with existing stack |
| Data access | Dashboards | Full query access |
| Warranty | None listed | None listed |
- Best fit
- Organizations wanting a provider that publicly reports 15-minute containment with true active remediation
- Price
- Buyer benchmark: $30-100/endpoint/yr
- Response authority
- 6/6 actions · Configurable
- Stack
- Works with existing stack
- Data access
- Dashboards
- Warranty
- None listed
- Best fit
- SMBs needing affordable 24/7 MDR via Clarity Defend, with a growth path to enterprise-grade Protect tier
- Price
- Custom quote
- Response authority
- 6/6 actions · Configurable
- Stack
- Works with existing stack
- Data access
- Full query access
- Warranty
- None listed
Detailed comparison
| FIELD | eSentireTECH-AGNOSTIC | Quorum CyberTECH-AGNOSTIC |
|---|---|---|
| Fit | ||
| Target size | SMB, Mid-market, Enterprise | SMB, Mid-market, Enterprise |
| Sentiment | Positive | Positive |
| Your stack | ||
| Approach | Works with your tools | Works with your tools |
| EDR integrations | CrowdStrike FalconMicrosoft Defender for EndpointSentinelOneVMware Carbon BlackeSentire Atlas Agent (proprietary, optional) | Microsoft Defender |
| SIEM integrations | SplunkSumo Logic Microsoft Sentinel | Microsoft Sentinel |
| Coverage | EPEndpoint: CoveredCloudCloud: CoveredIDIdentity: CoveredSaaSSaaS: CoveredNetNetwork: CoveredOTOT/IoT: Not covered | EPEndpoint: CoveredCloudCloud: CoveredIDIdentity: CoveredSaaSSaaS: CoveredNetNetwork: LimitedOTOT/IoT: Optional add-on |
| Response | ||
| Response type | Active Remediation | Active Remediation |
| Approval policy | Configurable | Configurable |
| Response actions | IsolateKill processContainDisable accountsQuarantineCustom playbooks | IsolateKill processContainDisable accountsQuarantineCustom playbooks |
| IR included | ✓ Included | Separate |
| Cost | ||
| Price range | Third-party buyer data reports eSentire MDR endpoint-focused pricing around $60-100/endpoint/year for 50-200 endpoints, $40-80/endpoint/year for 200-1,000 endpoints, and $30-60/endpoint/year for 1,000+ endpoints. Older community reports cite $10-25/endpoint/month depending on tier. | Not published. Contact for custom quote. |
| Minimum seats | None | None |
| Breach warranty | – | – |
| More details | ||
| Requires own agent | No | No |
| Endpoints | ✓ Included | ✓ Included |
| Cloud workloads | ✓ Included | ✓ Included |
| Identity | ✓ Included | ✓ Included |
| SaaS apps | ✓ Included | ✓ Included |
| Network | ✓ Included | ~ Limited |
| OT/ICS | Not offered | + Optional |
| Threat hunting | ✓ Included | ✓ Included |
| Response SLA | Not disclosed | Not disclosed |
| 24/7 coverage | ✓ | ✓ |
| Pricing model | Per-endpoint pricing across three tiers (Essentials up to 500 endpoints, Advanced up to 5,000, Complete up to 5,000) with BYOL or bundled Atlas Agent options | Not published. Described as 'flexible subscription model' with pricing based on environment size and risk profile. |
| Hidden cost warnings | Tier differences are significant. Essentials may lack key response and advisory capabilities available in Advanced/Complete.. BYOL pricing differs from bundled Atlas Agent pricing. Custom pricing for 5,000+ endpoints.. MSP program uses inflexible per-customer purchasing model (criticized by partners) | Requires Microsoft licensing (E3/E5 or standalone Defender licenses) as a prerequisite. These costs are separate and can be significant.. Microsoft Sentinel consumption costs are usage-based and billed separately by Microsoft. Data ingestion charges can spike unpredictably.. Identity coverage (ITDR) and data security (Clarity Data) are separate services at lower tiers. AWS and GCP coverage only available in Clarity Protect (top tier) |
| Data portability | Partial | Full |
| Contract terms | Annual, Multi-year | Annual |
| Channels | TeamsEmailPortalPhone | PortalEmailPhone |
| Data access | Dashboards | Full query access |
| Dedicated analyst | ✓ | – |
| SOC regions | North AmericaEurope | EuropeNorth America |
| Onboarding | Average 14 days deployment | Not published |
| Industry focus | Financial ServicesHealthcareManufacturingTechnologyGovernment | Financial ServicesEducationPublic SectorManufacturingProfessional Services |
| MTTD | Not published | Not published |
| MTTR | 15-minute Mean Time to Contain (vendor-published public metric). 99.3% of threats isolated at first host (vendor-published). 200+ new threat protections added daily. | Not published |
| Community view | G2 4.6/5 (272 reviews). Gartner Peer Insights 4.6/5 (83 reviews). PeerSpot 7.6/10. Forrester Wave Leader (Europe Q3 2025). Praised for public 15-minute containment metrics and true active remediation. Some price sensitivity for SMBs and occasional SOC response delays on non-emergency tickets. | Named in the Gartner Market Guide for MDR as Representative Vendor (2024, 2025). Microsoft Security MSSP of the Year 2025. First UK Microsoft Verified MXDR provider. Very limited independent review data: no ratings on G2, PeerSpot, or Gartner Peer Insights with sufficient reviews. Zero Reddit presence. |
| Compliance | ISO 27001PCI-DSSSOC 2 Type IIHIPAA/HITRUSTGDPRNIST | SOC 2 Type IIISO 27001Cyber Essentials |
| Certifications | ISO 15408UK Cyber EssentialsSIG LiteAITECMicrosoft Security Solutions PartnerAWS Partner Network | SOC 2 Type IIISO 27001 (UKAS-level audit)CREST (Vulnerability Assessment, Pen Testing, CSIR)Cyber EssentialsMicrosoft Verified MXDR SolutionMicrosoft Solutions Partner for SecurityMicrosoft Security MSSP of the Year 2025Gartner Market Guide for MDR Representative Vendor (2024, 2025) |
| Founded | 2001 | 2016 |
| Data retention | Not publicly disclosed | Data resides in customer's own Microsoft Sentinel instance / Azure tenant. Retention governed by customer's Azure configuration. |
| API available | ✓ | – |
| Website | Visit → | Visit → |
FAQ
What is the main difference between eSentire and Quorum Cyber?
eSentire is a Pure-play MDR that is technology-agnostic (works with your existing tools). Quorum Cyber is a Microsoft-ecosystem that is technology-agnostic (works with your existing tools). eSentire covers 5 attack surfaces in base pricing vs. 4 for Quorum Cyber.
How do eSentire and Quorum Cyber differ in response capabilities?
eSentire supports 6 autonomous actions (account disable, custom playbooks, endpoint isolation, file quarantine, network containment, process termination) and approval is configurable. Quorum Cyber supports 6 autonomous actions (account disable, custom playbooks, endpoint isolation, file quarantine, network containment, process termination) and approval is configurable. Incident response is included with eSentire and not included with Quorum Cyber.
How does eSentire pricing compare to Quorum Cyber?
eSentire pricing: Third-party buyer data reports eSentire MDR endpoint-focused pricing around $60-100/endpoint/year for 50-200 endpoints, $40-80/endpoint/year for 200-1,000 endpoints, and $30-60/endpoint/year for 1,000+ endpoints. Older community reports cite $10-25/endpoint/month depending on tier.. Quorum Cyber pricing: Not published. Contact for custom quote.. Watch for with eSentire: Tier differences are significant. Essentials may lack key response and advisory capabilities available in Advanced/Complete.; BYOL pricing differs from bundled Atlas Agent pricing. Custom pricing for 5,000+ endpoints.. Watch for with Quorum Cyber: Requires Microsoft licensing (E3/E5 or standalone Defender licenses) as a prerequisite. These costs are separate and can be significant.; Microsoft Sentinel consumption costs are usage-based and billed separately by Microsoft. Data ingestion charges can spike unpredictably..
Should I choose eSentire or Quorum Cyber?
Choose eSentire if: organizations wanting a provider that publicly reports 15-minute containment with true active remediation. Choose Quorum Cyber if: microsoft-committed organizations (E3/E5) wanting MDR built natively on Sentinel and Defender with data staying in their own Azure tenant. eSentire is not ideal for budget-constrained SMBs seeking the lowest-cost MDR option. Quorum Cyber is not ideal for organizations running CrowdStrike, SentinelOne, or any non-Microsoft primary EDR. Quorum Cyber is Microsoft-only..
Daylight Security
AI-native MDR for buyers comparing active remediation across endpoint, cloud, identity, and SaaS. Daylight works with existing EDR/SIEM stacks and uses ChatOps-native collaboration, so it can be a useful third reference point in this comparison.