Kroll vs Quorum Cyber
Kroll is a Services firm that works with your existing tools. Quorum Cyber is a Microsoft-ecosystem that works with your existing tools. Kroll targets SMB, Mid-market, and Enterprise organizations; Quorum Cyber serves SMB, Mid-market, and Enterprise. Kroll includes 5 attack surfaces in base pricing (Endpoint, Cloud, SaaS, Identity, Network), compared to 4 for Quorum Cyber (Endpoint, Cloud, SaaS, Identity).
Buyer brief
Kroll is a Services firm that works with your existing tools. Quorum Cyber is a Microsoft-ecosystem that works with your existing tools. Kroll targets SMB, Mid-market, and Enterprise organizations; Quorum Cyber serves SMB, Mid-market, and Enterprise. Kroll includes 5 attack surfaces in base pricing (Endpoint, Cloud, SaaS, Identity, Network), compared to 4 for Quorum Cyber (Endpoint, Cloud, SaaS, Identity).
Kroll (Services firm) and Quorum Cyber (Microsoft-ecosystem) serve different buyer profiles. Your decision depends on whether you prioritize Kroll's kroll responder's differentiator is depth of real-world ir experience: 3,000+ annual breach inves... 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 IR expertise built into MDR with 3,000+ annual cases feeding detection | SMBs needing affordable 24/7 MDR via Clarity Defend, with a growth path to enterprise-grade Protect tier |
| Price | Unverified MDR field estimate: $30K-$200K+/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 | $1,000,000 | None listed |
- Best fit
- Organizations wanting IR expertise built into MDR with 3,000+ annual cases feeding detection
- Price
- Unverified MDR field estimate: $30K-$200K+/yr
- Response authority
- 6/6 actions · Configurable
- Stack
- Works with existing stack
- Data access
- Dashboards
- Warranty
- $1,000,000
- 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 | KrollTECH-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 FalconSentinelOne Microsoft Defender | Microsoft Defender |
| SIEM integrations | Microsoft Sentinel | Microsoft Sentinel |
| Coverage | EPEndpoint: CoveredCloudCloud: CoveredIDIdentity: CoveredSaaSSaaS: CoveredNetNetwork: CoveredOTOT/IoT: Optional add-on | 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 | Not publicly disclosed. Unverified field estimates suggest $30K-$200K+/year depending on scope. | Not published. Contact for custom quote. |
| Minimum seats | None | None |
| Breach warranty | $1,000,000 | – |
| 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 | + Optional | + Optional |
| Threat hunting | ✓ Included | ✓ Included |
| Response SLA | Not disclosed | Not disclosed |
| 24/7 coverage | ✓ | ✓ |
| Pricing model | Custom quote-based pricing, not publicly disclosed | Not published. Described as 'flexible subscription model' with pricing based on environment size and risk profile. |
| Hidden cost warnings | CrowdStrike Falcon Complete migration (Dec 2025) increases platform dependency, customers wanting vendor-agnostic EDR lose that flexibility. Named TAM support (vs. Shared TAM) likely incurs additional cost, cost delta not disclosed. No published minimum seat requirements or pricing, likely enterprise-focused | 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 | EmailPortalPhone | PortalEmailPhone |
| Data access | Dashboards | Full query access |
| Dedicated analyst | ✓ | – |
| SOC regions | North AmericaEuropeAsia-Pacific | EuropeNorth America |
| Onboarding | Varies by environment complexity | Not published |
| Industry focus | Financial ServicesHealthcareGovernmentRetailTechnologyEducation | Financial ServicesEducationPublic SectorManufacturingProfessional Services |
| MTTD | Not published | Not published |
| MTTR | Not published | Not published |
| Community view | Trusted for deep IR pedigree and Complete Response methodology. Gartner Peer Insights 4.6/5 (26 reviews). KuppingerCole MDR Leader 2023. Lower market visibility than pure-play MDR brands (~0.4% PeerSpot mindshare). December 2025 CrowdStrike migration generates mixed reactions around vendor lock-in. | 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 | SOC 2 Type IIISO 27001PCI DSS | SOC 2 Type IIISO 27001Cyber Essentials |
| Certifications | SOC 2 Type IIISO 27001CREST | 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 | 1972 | 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 Kroll and Quorum Cyber?
Kroll is a Services firm that is technology-agnostic (works with your existing tools). Quorum Cyber is a Microsoft-ecosystem that is technology-agnostic (works with your existing tools). Kroll covers 5 attack surfaces in base pricing vs. 4 for Quorum Cyber.
How do Kroll and Quorum Cyber differ in response capabilities?
Kroll 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 Kroll and not included with Quorum Cyber.
How does Kroll pricing compare to Quorum Cyber?
Kroll pricing: Not publicly disclosed. Unverified field estimates suggest $30K-$200K+/year depending on scope.. Quorum Cyber pricing: Not published. Contact for custom quote.. Watch for with Kroll: CrowdStrike Falcon Complete migration (Dec 2025) increases platform dependency, customers wanting vendor-agnostic EDR lose that flexibility; Named TAM support (vs. Shared TAM) likely incurs additional cost, cost delta not disclosed. 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 Kroll or Quorum Cyber?
Choose Kroll if: organizations wanting IR expertise built into MDR with 3,000+ annual cases feeding detection. 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. Kroll is not ideal for organizations that need vendor-agnostic EDR choice (CrowdStrike migration reduces flexibility). 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.