Best AI Red Teaming Services

ComparisonChecked Nov 8, 2026

HackerOne vs Bugcrowd

Both sell human-led AI testing drawn from crowdsourced security researcher networks, alongside bug bounty programs. They describe their AI offerings, framework mapping, and retesting terms differently.

What differs

  • Offering: HackerOne sells H1 AI Red Teaming as 15- or 30-day engagements that can launch in about one week; Bugcrowd sells AI penetration testing in Basic, Standard, Plus, and Max tiers, plus crowd-powered AI red teaming and AI bias assessments.
  • Framework mapping: HackerOne maps findings to OWASP LLM Top 10, OWASP Top 10 for Agentic Applications, and MITRE ATLAS; Bugcrowd’s AI pen test methodology checks the OWASP Top 10 for LLMs, and its page does not name MITRE ATLAS.
  • Agents and retesting: HackerOne’s page covers agents, tool integrations, and retesting of remediation; Bugcrowd’s AI pen test page lists retesting in the Plus tier and does not describe agents as a tested target.
  • Published evidence: both list SOC 2 Type 2, ISO 27001, and FedRAMP in their trust centers; Bugcrowd also lists CREST.
  • Pricing: neither publishes prices.

Who each tends to fit

Teams that need agent coverage and MITRE ATLAS IDs in a fixed-length engagement may look first at HackerOne’s published scope. Teams that want tiered pen test options or an ongoing crowd program may look at Bugcrowd. Ask both for a sample report.

Last checked: . No winner declared.

Side by side

FactHackerOneBugcrowd
StatusActive, privately held.Active, privately held. Bugcrowd announced it acquired Mayhem Security to add AI-driven offensive testing.
OwnershipPrivately heldPrivately held
Buying modelManaged engagement, Crowdsourced researchersManaged engagement, Crowdsourced researchers
CategoriesManaged red-team engagement; Crowdsourced researcher networkManaged red-team engagement; Crowdsourced researcher network; Bug bounty
PricingContact vendorContact vendor (AI pen test tiers Basic, Standard, Plus, and Max are listed without prices)
CertificationsSOC 2 Type 2; ISO 27001; GDPR; FedRAMP; PCI DSS; UK Cyber Essentials PlusFedRAMP Moderate; CREST; SOC 2 Type 2; SOC 3; ISO/IEC 27001:2022; ISO/IEC 27018:2019; CSA STAR Level 1; Cyber Essentials Plus; NIST 800-53 Rev. 5
LimitationsNo public pricing; Certifications cover HackerOne's platform; confirm they apply to AI red teaming engagements; Fixed engagement windows (15 or 30 days); continuous coverage needs a separate programNo public pricing; Retesting is listed only in the Plus tier of AI pen testing; The AI pen test page does not name MITRE ATLAS or agents as a tested target; confirm agent and tool-use scope; Certifications cover Bugcrowd's platform; confirm they apply to your engagement
How to buyhackerone.combugcrowd.com
Sources[1] [2] Checked 2026-11-08[1] [2] [3] [4] Checked 2026-11-08

Facts come from each vendor’s profile sources. Run a paid pilot before choosing.