Asperis Security
Barcelona, Spain
Blue Team plus Purple Team engagements for Barcelona mid-market
Blue team & dete…Red teamingPenetration test…+1 more
- records
- 2
- team
- 2-10
- founded
- 2022
Iberian threat-hunting and detection engineering practice inside Thales cyber
L2Cross-referenced, highest level reached
1 cross-referenced
Verified against independent sources
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S21sec is a L2-verified AI-implementation provider based in Madrid, Spain, delivering threat-hunting, incident-response, soc-monitoring. Ranked on proof, 1 verified records on the Trustgent index.
What they build
Iberian cybersecurity provider founded in 2000 in Pamplona, now operating as Cyber Solutions by Thales with 400+ specialists across Spain and Portugal and its own Iberian SOC. Detection engineering and threat-hunting are backed by market frameworks and internal use-case development, with a dedicated Cyber Threat Intelligence Unit.
Quick facts
- HQ
- Madrid, Spain
- Founded
- 2000
- Team
- 200+
- Languages
- es, en, pt
- Stack
- SIEMMITRE ATT&CKSplunk
Capabilities
- Threat hunting
- Incident response
- SOC & MDR monitoring
- Blue team & detection engineering
Industries served
- Financial services
- Energy & utilities
- Government & public sector
Regulatory readiness
Cross-referenced against public registries where a public source exists (L2+). The check mark marks an attribute we have a source for, see the proof page.
About S21sec
What does S21sec build?
S21sec is a L2-verified AI-implementation provider on Trustgent, delivering Threat hunting, Incident response, SOC & MDR monitoring.
Where is S21sec based?
S21sec is headquartered in Madrid, Spain.
How is S21sec verified on Trustgent?
S21sec has an EARNED verification level of L2 on Trustgent, with 1 contributing verified records (most recent verification: 2026-07-07). Verification is independent of any subscription, plan tier is never a ranking input.
How is S21sec ranked?
Rank is a pure function of three EARNED signals: verification level (dominant), record count, and recency. No plan, fee, spend, or paid placement is ever an input. See https://trustgent.com/how-we-rank.
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