Last updated: 7 November 2026. Facts are vendor claims checked on that date; nothing was tested independently.

HackerOne (AI Red Teaming)

Human-led, crowdsourced adversarial testing on a fixed timeline.

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What it tests

Claimed on the vendor's own pages. Nothing here was tested independently.

• Jailbreaks
• Prompt injection
• Agent / tool abuse
• Data leakage
• Bias, safety, harmful content

Framework mappings

OWASP LLM Top 10, OWASP Agentic Top 10, MITRE ATLAS, NIST AI RMF, EU AI Act. HackerOne's page cites an "OWASP LLM Top 10 (2026)"; OWASP's project page lists 2025 as the current LLM edition.

Offering

• Engagements run 15 or 30 days and can launch in about a week.
• Findings are mapped to OWASP (LLM and Agentic), MITRE ATLAS, NIST AI RMF and the EU AI Act.

Customers named on the cited page (vendor claim): Anthropic, IBM, Snapchat, Adobe, Zoom, Cloudflare.

Pricing

Not public. Not public. Free tier: none stated. See what AI red teaming costs.

Ownership history

Ownership was not stated on the pages opened for this research.

Alternatives

Three vendors with a similar offering type and overlapping coverage. Chosen by category and claimed coverage, then alphabetically; no ranking is implied.

• Bishop Fox

  Managed service Not stated

  An offensive-security consultancy with explicit OWASP (LLM, ML, Agentic) and MITRE ATLAS coverage.

• Bugcrowd

  Managed service Not stated

  Crowdsourced AI testing that sits alongside its bug bounty and vulnerability disclosure programs.

• Trail of Bits

  Managed service Not stated

  Suited to buyers who need supply-chain and infrastructure depth as well as prompt-level testing.