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Cobalt

Pentest-as-a-service firm with tiered LLM and RAG testing

Human-led engagementsAgents and tools

Cobalt sells AI and LLM pentests through its pentest-as-a-service platform at three levels: prompt injection, isolated LLM, and RAG-enabled LLM, plus testing of agentic workflows, access controls and backend integrations. Tests are human-led by the Cobalt Core, with AI used for recon and triage, and findings appear in real time with reproduction steps. It is bought with Cobalt credits; no amounts are published.

Best for: Scoped, repeatable LLM and RAG pentests bought like other app pentests.

Ownership not disclosed

  • ✓ Maps to OWASP
  • – Maps to MITRE ATLAS
  • – Maps to the EU AI Act
  • – SOC 2 or ISO 27001
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Facts checked November 9, 2026 against the sources listed below. Cobalt does not pay to appear here.

1 Legal nameCobalt
2 HeadquartersNot disclosed
3 FoundedNot disclosed
4 TeamNot disclosed
5 What they testLLM apps, RAG, Agents and tool use, Prompt injection and jailbreaks, Data leakage
6 FrameworksOWASP LLM Top 10
7 CertificationsNot disclosed
8 Published pricesNot disclosed
9 Customers and partnersQuotes PowerSchool’s CISO and a Zest AI engineering manager on its LLM pentest page.

Worth knowing before you sign

  • HQ, funding and certifications not verified in our research.
  • Maps to OWASP LLM Top 10 only.

Go to Cobalt's site

Sources

  1. Vendor: LLM pentest
  2. Vendor: homepage

Work at Cobalt? Send corrections with a source to editors@bestairedteamingcompanies.com. We fix verified errors within five business days.

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