BlueVoyant vs Thales (S21sec)
BlueVoyant is a Pure-play MDR that works with your existing tools. Thales (S21sec) is a Services firm that works with your existing tools. BlueVoyant targets Mid-market and Enterprise organizations; Thales (S21sec) serves Enterprise. BlueVoyant includes 3 attack surfaces in base pricing (Endpoint, Cloud, Identity), compared to 2 for Thales (S21sec) (Network, OT/ICS).
Buyer brief
BlueVoyant is a Pure-play MDR that works with your existing tools. Thales (S21sec) is a Services firm that works with your existing tools. BlueVoyant targets Mid-market and Enterprise organizations; Thales (S21sec) serves Enterprise. BlueVoyant includes 3 attack surfaces in base pricing (Endpoint, Cloud, Identity), compared to 2 for Thales (S21sec) (Network, OT/ICS).
BlueVoyant (Pure-play MDR) and Thales (S21sec) (Services firm) serve different buyer profiles. Your decision depends on whether you prioritize BlueVoyant's the strongest microsoft sentinel mdr option for organizations that want their detection rules, pl... or Thales (S21sec)'s thales/s21sec is strongest for complex, regulated and critical-sector environments that value glo....
At a glance
| FIELD |  |  |
|---|---|---|
| Best fit | Organizations that want all detection rules, playbooks, and data to stay in their own SIEM instance | Critical infrastructure and public-sector buyers that need Thales/S21sec regional cyber detection and response |
| Price | Custom quote | Custom quote |
| Response authority | 6/6 actions · Configurable | 2/6 actions · Configurable |
| Stack | Works with existing stack | Works with existing stack |
| Data access | Dashboards | Reports only |
| Warranty | None listed | None listed |
- Best fit
- Organizations that want all detection rules, playbooks, and data to stay in their own SIEM instance
- Price
- Custom quote
- Response authority
- 6/6 actions · Configurable
- Stack
- Works with existing stack
- Data access
- Dashboards
- Warranty
- None listed
- Best fit
- Critical infrastructure and public-sector buyers that need Thales/S21sec regional cyber detection and response
- Price
- Custom quote
- Response authority
- 2/6 actions · Configurable
- Stack
- Works with existing stack
- Data access
- Reports only
- Warranty
- None listed
Detailed comparison
| FIELD | BlueVoyantTECH-AGNOSTIC | Thales (S21sec)TECH-AGNOSTIC |
|---|---|---|
| Fit | ||
| Target size | Mid-market, Enterprise | Enterprise |
| Sentiment | Positive | Mixed |
| Your stack | ||
| Approach | Works with your tools | Works with your tools |
| EDR integrations | Microsoft DefenderCrowdStrikeSentinelOneCarbon Black | Customer endpoint security tools |
| SIEM integrations | Microsoft SentinelSplunk | Customer SIEM platformsThales SOC tooling |
| Coverage | EPEndpoint: CoveredCloudCloud: CoveredIDIdentity: CoveredSaaSSaaS: LimitedNetNetwork: LimitedOTOT/IoT: Not covered | EPEndpoint: LimitedCloudCloud: LimitedIDIdentity: LimitedSaaSSaaS: LimitedNetNetwork: CoveredOTOT/IoT: Covered |
| Response | ||
| Response type | Active Remediation | Active Remediation |
| Approval policy | Configurable | Configurable |
| Response actions | IsolateKill processContainDisable accountsQuarantineCustom playbooks | ContainCustom playbooks |
| IR included | Separate | ✓ Included |
| Cost | ||
| Price range | Not published. Contact for custom quote. | Not published |
| Minimum seats | None | None |
| Breach warranty | – | – |
| More details | ||
| Requires own agent | No | No |
| Endpoints | ✓ Included | ~ Limited |
| Cloud workloads | ✓ Included | ~ Limited |
| Identity | ✓ Included | ~ Limited |
| SaaS apps | ~ Limited | ~ Limited |
| Network | ~ Limited | ✓ Included |
| OT/ICS | Not offered | ✓ Included |
| Threat hunting | Extra cost | ✓ Included |
| Response SLA | Not disclosed | Not disclosed |
| 24/7 coverage | ✓ | ✓ |
| Pricing model | Subscription-based, priced per endpoint for laptops, workstations, and servers. All log sources included in the per-endpoint price. Also available via AWS Marketplace and Azure Marketplace. | Custom quote for Thales Cyber Detection and Response, Managed Security Services, SOC and MDR. Public prices are not published. |
| Hidden cost warnings | Threat hunting is not included in base MDR. Advanced Threat Hunting and Cross Signal Hunting are add-on tiers with separate pricing. Coverage varies significantly by which MDR track you buy (Microsoft, Splunk, Cisco XDR, Endpoint). Identity and SaaS coverage may only be available in the Microsoft track. Very few public reviews (6 on Gartner, 0 on PeerSpot) make it hard to validate claims before buying. No published response time SLA. Ask for written commitments before signing | The current S21sec domain routes to Thales-branded services, so buyers wanting legacy S21sec-specific delivery should confirm contracting entity, SOC location and delivery team.. Public pages do not publish prices, minimum terms, service credits, MTTD/MTTR or formal MDR SLAs.. Thales offers a broad cybersecurity services portfolio; buyers should separate base MDR scope from CTI, DRPS, DFIR, CERT, ICS monitoring and advisory services.. Named endpoint, identity and cloud containment actions are not public and should be confirmed tool by tool.. Data retention, raw log access, offboarding and detection-content export rights are not described publicly. |
| Data portability | Full | Partial |
| Contract terms | Annual | Custom cyber detection and response engagement, Managed Security Services, SOC and MDR, Critical-infrastructure cybersecurity services |
| Channels | PortalEmail | EmailPhonePortal |
| Data access | Dashboards | Reports only |
| Dedicated analyst | – | – |
| SOC regions | North AmericaEuropeAsia-Pacific | EuropeMEAAPAC |
| Onboarding | Not published. Deployment involves configuring data connectors and playbooks within the customer's existing SIEM. | Not published. Thales describes customer-centric service roadmaps and selecting/deploying detection and response technologies, but no standard MDR onboarding timeline. |
| Industry focus | Financial ServicesGovernmentDefense | Critical InfrastructureGovernmentDefenseEnergyManufacturingAviationSpaceFinancial ServicesTelecommunicationsHealthcareTransportationAutomotiveUtilitiesMaritime |
| MTTD | Not published | Not published |
| MTTR | Not published as an absolute figure. Forrester TEI study (Sep 2024) found 70% reduction in mean time to resolution for BlueVoyant MDR clients. | Not published |
| Community view | Gartner Peer Insights 4.5/5 (6 reviews). Named in the 2025 Gartner Market Guide for MDR. Strong Microsoft credentials (Partner of the Year, 500+ Sentinel deployments). Very limited public review data makes independent validation difficult. | The current public evidence is strong for Thales-branded global SOC, MDR, CTI, DFIR and critical-infrastructure detection and response, but weak for S21sec as a standalone public MDR brand. Buyers should validate current delivery model, SOC location, response authority, pricing and whether the contract is with Thales/S21sec in the relevant country. |
| Compliance | SOC 2 Type II | DORATIBER-EUPCI DSSEASA Part-ISEASAICAOUNECE |
| Certifications | SOC 2 Type II (annual audit)Microsoft Worldwide Security Partner of the Year 2024Three-time Microsoft US Security Partner of the YearUK G-Cloud accreditedSplunk Premier Manage partner | 8 threat intelligence and AI-driven SOCs around the worldSOCs in France, Morocco, the Netherlands, Belgium and Luxembourg, Portugal and Spain, and New Zealand and Australia |
| Founded | 2017 | – |
| Data retention | Data stays in customer's own SIEM instance. Retention governed by customer's Sentinel/Splunk configuration. | Not published. Public pages do not describe default log retention, raw log access, storage tiers or export terms for Thales SOC and MDR. |
| API available | – | – |
| Website | Visit → | Visit → |
FAQ
What is the main difference between BlueVoyant and Thales (S21sec)?
BlueVoyant is a Pure-play MDR that is technology-agnostic (works with your existing tools). Thales (S21sec) is a Services firm that is technology-agnostic (works with your existing tools). BlueVoyant covers 3 attack surfaces in base pricing vs. 2 for Thales (S21sec).
How do BlueVoyant and Thales (S21sec) differ in response capabilities?
BlueVoyant supports 6 autonomous actions (account disable, custom playbooks, endpoint isolation, file quarantine, network containment, process termination) and approval is configurable. Thales (S21sec) supports 2 autonomous actions (custom playbooks, network containment) and approval is configurable. Incident response is not included with BlueVoyant and included with Thales (S21sec).
How does BlueVoyant pricing compare to Thales (S21sec)?
BlueVoyant pricing: Not published. Contact for custom quote.. Thales (S21sec) pricing: Not published. Watch for with BlueVoyant: Threat hunting is not included in base MDR. Advanced Threat Hunting and Cross Signal Hunting are add-on tiers with separate pricing; Coverage varies significantly by which MDR track you buy (Microsoft, Splunk, Cisco XDR, Endpoint). Identity and SaaS coverage may only be available in the Microsoft track. Watch for with Thales (S21sec): The current S21sec domain routes to Thales-branded services, so buyers wanting legacy S21sec-specific delivery should confirm contracting entity, SOC location and delivery team.; Public pages do not publish prices, minimum terms, service credits, MTTD/MTTR or formal MDR SLAs..
Should I choose BlueVoyant or Thales (S21sec)?
Choose BlueVoyant if: mid-market and enterprise organizations already invested in Microsoft Sentinel and Defender wanting MDR without a proprietary agent. Choose Thales (S21sec) if: critical infrastructure and public-sector buyers that need Thales/S21sec regional cyber detection and response. BlueVoyant is not ideal for organizations needing broad multi-vendor integration support. BlueVoyant supports four EDR platforms and two SIEMs, far fewer than competitors like Expel or eSentire. Thales (S21sec) is not ideal for buyers that need a standalone legacy S21sec-branded MDR package.
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.