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Adversa

AI red-teaming platform that runs continuous attack simulations against LLMs, agents, and GenAI applications to surface security gaps.

4.2 Security & Compliance AI
4.2 Very good 4.2
Focused specifically on agentic AI attack surfaces newer security tools miss No published pricing, requires direct contact to scope an engagement
Reviewed by Challenging Voice Editorial · Updated Jul 2026 How we rate
PricingContact for Pricing
Free planNo
CompanyAdversa AI
PlatformsAPI, Web
CategorySecurity & Compliance AI
Founded2021
Last reviewedJul 2026

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Overview

Adversa AI was founded in 2021 by Alex Polyakov and Eugene Neelou and is based in Israel, working on applied security for AI systems rather than traditional application security. Gartner has recognized the company in its AI security research, and Adversa has won industry awards including a Stevie Award and a Fortress Cybersecurity Award for its red-teaming platform.

The platform runs continuous, automated red-teaming against generative AI applications, autonomous agents, and MCP-based agent stacks, simulating the kinds of prompt injection, jailbreak, and data-exfiltration attacks a human red team would otherwise need to run manually. Because it targets agentic AI stacks specifically rather than only chatbot-style LLM interfaces, it covers a newer attack surface most legacy application-security tools weren't built to test.

Adversa targets enterprise security teams, AI governance functions, and organizations deploying LLM-based agents into production that need ongoing validation rather than a one-time penetration test. The company doesn't publish self-serve pricing; engagements are scoped through direct contact with the company.

Key features

  • Continuous automated red-teaming for GenAI apps and autonomous agents
  • Coverage of MCP-based agent stacks, not only chatbot interfaces
  • Simulated prompt-injection, jailbreak, and data-exfiltration attacks
  • AI security incident reporting and research publications
  • Assessment tooling for AI governance and compliance functions
  • Gartner-recognized AI security research backing the platform

Screenshots & demo

Demo video

Screenshots

Adversa screenshot 1

Pricing

Adversa uses custom pricing. Contact their team for a quote based on your needs.

  • Pricing modelContact for Pricing
  • Starting priceCustom
  • Free planNo
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Pricing is provided as a guide. Check the official site for the latest plans.

Pros & cons

Pros

  • Focused specifically on agentic AI attack surfaces newer security tools miss
  • Founder-led by recognized AI-security researchers with a public research record
  • Industry recognition (Gartner, Stevie Award, Fortress Cybersecurity Award) backs credibility
  • Continuous testing model catches new vulnerabilities as agent stacks change

Cons

  • No published pricing, requires direct contact to scope an engagement
  • Narrow specialization in AI red-teaming means it doesn't replace broader security tooling
  • Founded in 2021, so track record is shorter than legacy security vendors
  • Effectiveness depends on how well the platform's attack library keeps pace with new exploit techniques

How it compares

ToolRatingFreeFromBest known for
Adversa (this tool)4.2No—Continuous automated red-teaming for GenAI apps and autonomous agents
DeepKeep4.0No—AI Firewall that inspects prompts and outputs for injection and leakage attempts
Enkrypt AI4.1No—Security and safety testing specific to AI systems
Lakera4.3YesFreeReal-time prompt injection and jailbreak detection API

Alternatives to Adversa

4 tools matched to Adversa on what they do, their category and their price.

Frequently asked questions

What is Adversa?
Adversa AI was founded in 2021 by Alex Polyakov and Eugene Neelou and is based in Israel, working on applied security for AI systems rather than traditional application security.
Is Adversa free?
Adversa does not offer a free plan.
What are the best Adversa alternatives?
The closest matches in the directory are DeepKeep, Enkrypt AI, and Lakera, compared side by side above.

Reviews

4.2 Editorial rating No reviews yet

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