The independent guide to AI red teaming services

Managed red-team engagements, crowdsourced researchers, and automated red-teaming platforms for LLMs, agents, and AI applications. Filter by coverage, buying model, and published certifications, with every fact linked to its source.

Explore the landscape Read the buyer’s guide

17vendors profiled: Managed services, expert networks, platforms, and dataset sellers.
53primary sources: Vendor sites, trust portals, and company releases. No listicles.
0paid placements: Nobody pays to appear or to change their position.

Who covers what

Filter vendors

Published workload coverage for 17 AI red teaming vendors. Click a column to see those vendors.

Which workloads each vendor publicly describes
Vendor	Prompt injection	Agents & tool use	Data leakage	OWASP / ATLAS mapping	Continuous retesting	Human-led	Runtime guardrails	Model scanning
Adversa AI	No	Yes	No	Yes	Yes	Yes	Yes	No
Bugcrowd	Yes	No	No	Yes	Yes	Yes	No	No
Cisco AI Defense	Yes	Yes	Yes	Yes	No	No	Yes	No
Dreadnode	No	Yes	No	No	No	No	No	No
F5 AI Red Team	No	Yes	No	Yes	Yes	No	Yes	No
Giskard	No	Yes	No	Yes	Yes	No	No	No
Gray Swan	Yes	Yes	No	No	Yes	Yes	Yes	No
HackerOne	Yes	Yes	Yes	Yes	Yes	Yes	No	No
HiddenLayer	Yes	Yes	No	No	Yes	No	Yes	Yes
Lakera	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No
Mindgard	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No
Palo Alto Networks Prisma AIRS	No	Yes	No	Yes	Yes	No	Yes	Yes
Pillar Security	No	Yes	No	Yes	Yes	No	Yes	No
Promptfoo	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes
Repello AI	No	Yes	No	Yes	No	No	Yes	No
Scale AI	No	Yes	No	No	Yes	Yes	No	No
SPLX	No	Yes	No	No	Yes	No	Yes	No
Vendors	8	16	5	12	14	7	12	3

Based on each vendor’s published categories and capabilities. A filled dot means the vendor describes this workload publicly; it is not a quality judgment.

Vendor landscape

17 vendors, checked November 8, 2026. Use filters for coverage, buying model, published certifications, and public pricing. Select up to four to compare side by side.

AI red teaming vendors in alphabetical order with buying model, ownership, published certifications, and pricing
Vendor	Buying model	Ownership	SOC 2	ISO 27001	GDPR	FedRAMP	Pricing
Adversa AIAutomated red-teaming platform	Managed engagement, Automated platform	Privately held	Published	Published	Published	Not found	On request
BugcrowdManaged red-team engagement	Managed engagement, Crowdsourced researchers	Privately held	Published	Published	Not found	Published	On request
Cisco AI DefenseAutomated red-teaming platform	Automated platform	Subsidiary	Not found	Not found	Not found	Not found	Published
DreadnodeAutomated red-teaming platform	Automated platform	Privately held	Published	Published	Not found	Not found	On request
F5 AI Red TeamAutomated red-teaming platform	Automated platform	Subsidiary	Not found	Not found	Not found	Not found	On request
GiskardAutomated red-teaming platform	Automated platform, Open-source tooling	Privately held	Published	Not found	Published	Not found	Published
Gray SwanAutomated red-teaming platform	Managed engagement, Automated platform, Crowdsourced researchers	Privately held	Not found	Not found	Not found	Not found	On request
HackerOneManaged red-team engagement	Managed engagement, Crowdsourced researchers	Privately held	Published	Published	Published	Published	On request
HiddenLayerAutomated red-teaming platform	Managed engagement, Automated platform	Privately held	Published	Not found	Not found	Not found	On request
LakeraAutomated red-teaming platform	Managed engagement, Automated platform	Subsidiary	Not found	Not found	Not found	Not found	On request
MindgardAutomated red-teaming platform	Managed engagement, Automated platform	Privately held	Published	Not found	Not found	Not found	On request
Palo Alto Networks Prisma AIRSAutomated red-teaming platform	Automated platform	Subsidiary	Not found	Not found	Not found	Not found	On request
Pillar SecurityAutomated red-teaming platform	Automated platform	Privately held	Published	Published	Not found	Not found	On request
PromptfooOpen-source red-teaming tool	Automated platform, Open-source tooling	Privately held	Published	Published	Not found	Not found	Published
Repello AIAutomated red-teaming platform	Automated platform	Privately held	Not found	Published	Not found	Not found	On request
Scale AIManaged red-team engagement	Managed engagement	Privately held	Published	Published	Not found	Published	On request
SPLXAutomated red-teaming platform	Automated platform, Open-source tooling	Subsidiary	Published	Published	Published	Not found	On request

Alphabetical. A check means the vendor publishes it on its own site or trust portal; a dash means we found nothing public, so ask the vendor.

Research and comparisons

GuideNov 8, 2026 How to choose an AI red teaming vendor Seven decisions, in order: scope, buying model, coverage, agent testing, deliverables, retesting, and vendor evidence. ComparisonNov 8, 2026 HackerOne vs Bugcrowd ComparisonNov 8, 2026 Mindgard vs Gray Swan ComparisonNov 8, 2026 Prisma AIRS vs Cisco AI Defense

Browse by workload

How this guide works

Every claim links to a public source, with the date we checked it.
No paid rankings. Vendors are listed alphabetically or by the filters you choose.
Pricing shown only where a vendor publishes it. Otherwise: contact vendor.

Read the methodology