At-Bay Stance MDR vs Thales (S21sec)
At-Bay Stance MDR is a Cyber insurer that requires its own security platform. Thales (S21sec) is a Services firm that works with your existing tools. At-Bay Stance MDR targets SMB and Mid-market organizations; Thales (S21sec) serves Enterprise. At-Bay Stance MDR includes 1 attack surfaces in base pricing (Endpoint), compared to 2 for Thales (S21sec) (Network, OT/ICS).
Buyer brief
At-Bay Stance MDR is a Cyber insurer that requires its own security platform. Thales (S21sec) is a Services firm that works with your existing tools. At-Bay Stance MDR targets SMB and Mid-market organizations; Thales (S21sec) serves Enterprise. At-Bay Stance MDR includes 1 attack surfaces in base pricing (Endpoint), compared to 2 for Thales (S21sec) (Network, OT/ICS).
At-Bay Stance MDR is the choice if you want a single-vendor stack with deep integration. Thales (S21sec) is better if you have existing tools and want flexibility.
At a glance
| FIELD |  |  |
|---|---|---|
| Best fit | SMB and mid-market organizations that want hands-off MDR remediation rather than alert triage | Critical infrastructure and public-sector buyers that need Thales/S21sec regional cyber detection and response |
| Price | Custom quote | Custom quote |
| Response authority | 2/6 actions · No approval | 2/6 actions · Configurable |
| Stack | Requires own platform | Works with existing stack |
| Data access | Dashboards | Reports only |
| Warranty | None listed | None listed |
- Best fit
- SMB and mid-market organizations that want hands-off MDR remediation rather than alert triage
- Price
- Custom quote
- Response authority
- 2/6 actions · No approval
- Stack
- Requires own platform
- 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 | At-Bay Stance MDRPLATFORM | Thales (S21sec)TECH-AGNOSTIC |
|---|---|---|
| Fit | ||
| Target size | SMB, Mid-market | Enterprise |
| Sentiment | Mixed | Mixed |
| Your stack | ||
| Approach | Requires their platform | Works with your tools |
| EDR integrations | SentinelOne | Customer endpoint security tools |
| SIEM integrations | None listed | Customer SIEM platformsThales SOC tooling |
| Coverage | EPEndpoint: CoveredCloudCloud: Optional add-onIDIdentity: Optional add-onSaaSSaaS: Optional add-onNetNetwork: Not coveredOTOT/IoT: Not covered | EPEndpoint: LimitedCloudCloud: LimitedIDIdentity: LimitedSaaSSaaS: LimitedNetNetwork: CoveredOTOT/IoT: Covered |
| Response | ||
| Response type | Active Remediation | Active Remediation |
| Approval policy | Fully Autonomous | Configurable |
| Response actions | IsolateContain | ContainCustom playbooks |
| IR included | Separate | ✓ Included |
| Cost | ||
| Price range | Custom pricing. No public per-user or per-endpoint price found. | Not published |
| Minimum seats | None | None |
| Breach warranty | – | – |
| More details | ||
| Requires own agent | Yes | No |
| Endpoints | ✓ Included | ~ Limited |
| Cloud workloads | + Optional | ~ Limited |
| Identity | + Optional | ~ Limited |
| SaaS apps | + Optional | ~ Limited |
| Network | Not offered | ✓ Included |
| OT/ICS | Not offered | ✓ Included |
| Threat hunting | ✓ Included | ✓ Included |
| Response SLA | Not disclosed | Not disclosed |
| 24/7 coverage | ✓ | ✓ |
| Pricing model | Custom pricing. Packages page offers an estimated MDR cost flow and ties MDR to insurance package enhancements, but no public fixed price bands were found. | Custom quote for Thales Cyber Detection and Response, Managed Security Services, SOC and MDR. Public prices are not published. |
| Hidden cost warnings | Insurance premium credits and coverage enhancements are conditional and depend on the buyer's risk profile, policy terms and qualifying conditions.. Stance MDR is not required for At-Bay insurance coverage and is not limited to At-Bay policyholders, but the strongest value story is tied to cyber-insurance outcomes.. No public contractual SLA or service-credit table was found despite under-15-minute containment claims.. Specific EDR/email/cloud technologies and data export options should be confirmed in writing. | 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 | Limited | Partial |
| Contract terms | Custom | 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 | EuropeMEAAPAC | |
| Onboarding | Not published as a standard timeline. Customer testimonials say onboarding was quick and did not require complex setup or internal playbooks. | Not published. Thales describes customer-centric service roadmaps and selecting/deploying detection and response technologies, but no standard MDR onboarding timeline. |
| Industry focus | Cyber InsuranceProfessional ServicesTechnologyFinancial ServicesHealthcareRetail | Critical InfrastructureGovernmentDefenseEnergyManufacturingAviationSpaceFinancial ServicesTelecommunicationsHealthcareTransportationAutomotiveUtilitiesMaritime |
| MTTD | Not published | Not published |
| MTTR | Under 15 minutes from detection to containment on average (vendor-reported) | Not published |
| Community view | At-Bay has strong first-party customer testimonials on MDR pages, but little independent public MDR review signal was found in this pass. The market story is current and differentiated through InsurSec, SentinelOne partnership, claims data, and MSP channel materials, but buyer validation should rely on references until more third-party MDR reviews accumulate. | 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 | 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 | 2016 | – |
| Data retention | Not published. Trust page states data is processed and stored exclusively in AWS data centers in the United States. | 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 At-Bay Stance MDR and Thales (S21sec)?
At-Bay Stance MDR is a Cyber insurer that is platform-native (requires their own security stack). Thales (S21sec) is a Services firm that is technology-agnostic (works with your existing tools). At-Bay Stance MDR covers 1 attack surfaces in base pricing vs. 2 for Thales (S21sec).
How do At-Bay Stance MDR and Thales (S21sec) differ in response capabilities?
At-Bay Stance MDR supports 2 autonomous actions (endpoint isolation, network containment) and acts without approval. Thales (S21sec) supports 2 autonomous actions (custom playbooks, network containment) and approval is configurable. Incident response is not included with At-Bay Stance MDR and included with Thales (S21sec).
How does At-Bay Stance MDR pricing compare to Thales (S21sec)?
At-Bay Stance MDR pricing: Custom pricing. No public per-user or per-endpoint price found.. Thales (S21sec) pricing: Not published. Watch for with At-Bay Stance MDR: Insurance premium credits and coverage enhancements are conditional and depend on the buyer's risk profile, policy terms and qualifying conditions.; Stance MDR is not required for At-Bay insurance coverage and is not limited to At-Bay policyholders, but the strongest value story is tied to cyber-insurance outcomes.. 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 At-Bay Stance MDR or Thales (S21sec)?
Choose At-Bay Stance MDR if: sMB and mid-market organizations that want hands-off MDR remediation rather than alert triage. Choose Thales (S21sec) if: critical infrastructure and public-sector buyers that need Thales/S21sec regional cyber detection and response. At-Bay Stance MDR is not ideal for large enterprises needing published global SOC locations, formal SLA tables and mature third-party analyst validation. 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.