Thales (S21sec) vs Tesorion
Thales (S21sec) and Tesorion are both Services firms that work with your existing tools. Thales (S21sec) targets Enterprise organizations, while Tesorion serves Mid-market and Enterprise. Thales (S21sec) includes 2 attack surfaces in base pricing (Network, OT/ICS), compared to 4 for Tesorion (Endpoint, Cloud, Identity, Network).
Buyer brief
Thales (S21sec) and Tesorion are both Services firms that work with your existing tools. Thales (S21sec) targets Enterprise organizations, while Tesorion serves Mid-market and Enterprise. Thales (S21sec) includes 2 attack surfaces in base pricing (Network, OT/ICS), compared to 4 for Tesorion (Endpoint, Cloud, Identity, Network).
Tesorion offers broader coverage (4 surfaces vs. 2). Thales (S21sec) may suit teams that need depth over breadth.
At a glance
| FIELD |  |  |
|---|---|---|
| Best fit | Critical infrastructure and public-sector buyers that need Thales/S21sec regional cyber detection and response | Dutch organisations that want MDR from a Netherlands-based cybersecurity services firm |
| Price | Custom quote | Custom quote |
| Response authority | 2/6 actions · Configurable | 1/6 actions · Configurable |
| Stack | Works with existing stack | Works with existing stack |
| Data access | Reports only | Reports only |
| Warranty | None listed | 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
- Best fit
- Dutch organisations that want MDR from a Netherlands-based cybersecurity services firm
- Price
- Custom quote
- Response authority
- 1/6 actions · Configurable
- Stack
- Works with existing stack
- Data access
- Reports only
- Warranty
- None listed
Detailed comparison
| FIELD | Thales (S21sec)TECH-AGNOSTIC | TesorionTECH-AGNOSTIC |
|---|---|---|
| Fit | ||
| Target size | Enterprise | Mid-market, Enterprise |
| Sentiment | Mixed | Mixed |
| Your stack | ||
| Approach | Works with your tools | Works with your tools |
| EDR integrations | Customer endpoint security tools | SentinelOneCustomer endpoint telemetry |
| SIEM integrations | Customer SIEM platformsThales SOC tooling | None listed |
| Coverage | EPEndpoint: LimitedCloudCloud: LimitedIDIdentity: LimitedSaaSSaaS: LimitedNetNetwork: CoveredOTOT/IoT: Covered | EPEndpoint: CoveredCloudCloud: CoveredIDIdentity: CoveredSaaSSaaS: LimitedNetNetwork: CoveredOTOT/IoT: Optional add-on |
| Response | ||
| Response type | Active Remediation | Active Remediation |
| Approval policy | Configurable | Configurable |
| Response actions | ContainCustom playbooks | Custom playbooks |
| IR included | ✓ Included | Separate |
| Cost | ||
| Price range | Not published | Not published |
| Minimum seats | None | None |
| Breach warranty | – | – |
| More details | ||
| Requires own agent | No | No |
| Endpoints | ~ Limited | ✓ Included |
| Cloud workloads | ~ Limited | ✓ Included |
| Identity | ~ Limited | ✓ Included |
| SaaS apps | ~ Limited | ~ Limited |
| Network | ✓ Included | ✓ Included |
| OT/ICS | ✓ Included | + Optional |
| Threat hunting | ✓ Included | ✓ Included |
| Response SLA | Not disclosed | Not disclosed |
| 24/7 coverage | ✓ | ✓ |
| Pricing model | Custom quote for Thales Cyber Detection and Response, Managed Security Services, SOC and MDR. Public prices are not published. | Custom quote. Tesorion does not publish MDR package pricing. |
| Hidden cost warnings | 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. | Public pages do not publish response SLAs or named default response actions.. The public MDR page says mitigation is immediate where possible, but does not specify what Tesorion can do without customer approval.. T-CERT incident response is prominent, but buyers should confirm whether IR hours are included in MDR or sold separately.. Tesorion lists broad coverage across domains, so buyers should confirm which monitored sources are included in base MDR. |
| Data portability | Partial | Partial |
| Contract terms | Custom cyber detection and response engagement, Managed Security Services, SOC and MDR, Critical-infrastructure cybersecurity services | Custom |
| Channels | EmailPhonePortal | EmailPhone |
| Data access | Reports only | Reports only |
| Dedicated analyst | – | – |
| SOC regions | EuropeMEAAPAC | Europe |
| Onboarding | Not published. Thales describes customer-centric service roadmaps and selecting/deploying detection and response technologies, but no standard MDR onboarding timeline. | Tesorion says MDR use cases are tailored per organisation and linked to mitigating measures. No standard public onboarding duration was found. |
| Industry focus | Critical InfrastructureGovernmentDefenseEnergyManufacturingAviationSpaceFinancial ServicesTelecommunicationsHealthcareTransportationAutomotiveUtilitiesMaritime | Financial ServicesHealthcarePublic SectorManufacturingCritical InfrastructureTechnologyProfessional Services |
| MTTD | Not published | Not published |
| MTTR | Not published | Not published |
| Community view | 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. | Tesorion has limited MDR-specific public review volume. The public buyer case rests on Dutch delivery, T-SOC operations, XDR and SOAR correlation, threat intelligence and nearby T-CERT incident response. Buyers should validate pricing, response authority, included source scope and whether T-CERT support is included before signing. |
| Compliance | DORATIBER-EUPCI DSSEASA Part-ISEASAICAOUNECE | ISO 27001NEN 7510NIS2DORABIO |
| Certifications | 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 | ISO 27001NEN 7510 |
| Founded | – | 2018 |
| Data retention | Not published. Public pages do not describe default log retention, raw log access, storage tiers or export terms for Thales SOC and MDR. | Not published as a standard MDR retention period. |
| API available | – | – |
| Website | Visit → | Visit → |
FAQ
What is the main difference between Thales (S21sec) and Tesorion?
Thales (S21sec) is a Services firm that is technology-agnostic (works with your existing tools). Tesorion is a Services firm that is technology-agnostic (works with your existing tools). Thales (S21sec) covers 2 attack surfaces in base pricing vs. 4 for Tesorion.
How do Thales (S21sec) and Tesorion differ in response capabilities?
Thales (S21sec) supports 2 autonomous actions (custom playbooks, network containment) and approval is configurable. Tesorion supports 1 autonomous actions (custom playbooks) and approval is configurable. Incident response is included with Thales (S21sec) and not included with Tesorion.
How does Thales (S21sec) pricing compare to Tesorion?
Thales (S21sec) pricing: Not published. Tesorion pricing: Not published. 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.. Watch for with Tesorion: Public pages do not publish response SLAs or named default response actions.; The public MDR page says mitigation is immediate where possible, but does not specify what Tesorion can do without customer approval..
Should I choose Thales (S21sec) or Tesorion?
Choose Thales (S21sec) if: critical infrastructure and public-sector buyers that need Thales/S21sec regional cyber detection and response. Choose Tesorion if: dutch organisations that want MDR from a Netherlands-based cybersecurity services firm. Thales (S21sec) is not ideal for buyers that need a standalone legacy S21sec-branded MDR package. Tesorion is not ideal for buyers that need public MDR pricing or contractual response SLAs before sales engagement.
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.