CISO Tribune

Vendor comparison · 2 companies

Tenzai vs YesWeHack

Tenzai sells an AI agentic penetration testing platform that hacks, exploits and fixes vulnerabilities across enterprise software. YesWeHack sells a Continuous Offensive Security and Exposure Management platform. CISO Tribune files both under Breach simulation and automated pen-testing. This page sets the two records side by side: what each sells, where it is based, who owns and funds it, the customers it names and its recent news, each fact numbered to its source.

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  • Tenzai
  • YesWeHack
Tenzai vs YesWeHack: Products, Customers and Funding Compared
TenzaiTenzai sells an AI agentic penetration testing platform that hacks, exploits and fixes vulnerabilities across enterprise software.tenzai.comYesWeHackYesWeHack sells a Continuous Offensive Security and Exposure Management platform.yeswehack.com
What it sells
  • Tenzai[1][3][4][5]An AI agentic penetration testing platform for enterprise software. It discovers exploitable attack chains across web app, mobile, AI, external and internal network attack surfaces.
  • Bug Bounty[1][3][4][6][8][9][10]Crowdsourced vulnerability discovery that uses a global community of ethical hackers.
  • Agentic Pentest[1][3][4]AI-driven campaigns that deploy agents to discover and validate exploitable attack paths on demand.
  • Vulnerability Management[1][2][3]Unified workflows to aggregate and manage findings from external sources.
  • Vulnerability Disclosure Policy[1]A technical and legal framework for reporting potential vulnerabilities in internet-facing assets.
Categories
Headquarters
Not stated on its pagesNot stated on its pages
Founded
2025[2][4][5]Not stated on its pages
Ownership and funding
Privately held[3]Not stated on its pages
Named customers
Not stated on its pagesNot stated on its pages
Recent news
Not stated on its pagesNot stated on its pages
G2 and Gartner Peer Insights
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
  • G2: listed, seen November 10, 2026[11]
  • Gartner Peer Insights: Not stated on its pages
Who it fits
Its pages describe an application security team that tests APIs reaching PCI-scoped and critical systems. Tenzai is also described as a way for teams to verify scanner and bug-bounty findings and gather evidence for follow-up. Security teams can match sets of frontier and open-weight models to each test type or application risk level.YesWeHack says Bug Bounty Programs can be configured for startups and smaller businesses. Customer examples include a global payment service and an assurance and risk management specialist. YesWeHack addresses organisations facing regulatory mandates and governance frameworks that require continuous security validation. YesWeHack offers a Vulnerability Disclosure Policy for organisations with internet-facing assets.
Last verified
November 8, 2026November 5, 2026

Where they overlap

  • Tenzai and YesWeHack are both filed under Breach simulation and automated pen-testing.

Where they differ, field by field

  • Tenzai's primary category is Breach simulation and automated pen-testing; YesWeHack's is Bug bounty and crowdsourced testing.
  • Tenzai is also filed under Penetration testing and red team services. YesWeHack is also filed under Exposure prioritisation and CTEM and Vulnerability management.
  • Tenzai lists Tenzai. YesWeHack lists Bug Bounty, Agentic Pentest, Vulnerability Management and Vulnerability Disclosure Policy.
  • Tenzai was founded in 2025.
  • Tenzai is privately held.

What it sells: Tenzai

What Tenzai does[1][3][4][5]
Tenzai's agents are engineered to learn the business purpose and workflows of applications. Tenzai starts autonomous tests in black, gray or white box modes. Tenzai blocks exploitation with a hardened WAF rule that is validated for the customer's environment, ahead of a permanent fix. Tenzai offers step-by-step guidance, coding-assistant prompts and ticket creation for remediation.

What it sells: YesWeHack

What Bug Bounty does[1][3][4][6][8][9][10]
Bug Bounty is crowdsourced vulnerability discovery that uses a global community of 160,000+ ethical hackers through a platform-driven model. New bug hunters are vetted using their ID, address and banking information. Private programs are restricted to handpicked, invited hunters.
What Vulnerability Management does[1][2][3]
Vulnerability Management gives a security team one unified workflow to ingest, triage, track, and remediate vulnerabilities regardless of their source. Vulnerability Management accepts findings from existing tools and processes via integrations, Open API, or direct import.
What Vulnerability Disclosure Policy does[1]
YesWeHack lets organisations set up a branded VDP page and integrate it into their website. A VDP is a secure, public, passive mechanism for anyone to legally report vulnerabilities in an organisation's internet-facing assets.

Questions about Tenzai and YesWeHack

What do Tenzai and YesWeHack sell?
Tenzai sells Tenzai. YesWeHack sells Bug Bounty, Agentic Pentest, Vulnerability Management and Vulnerability Disclosure Policy.
Are Tenzai and YesWeHack in the same category?
They share Breach simulation and automated pen-testing. Tenzai's primary category is Breach simulation and automated pen-testing and YesWeHack's is Bug bounty and crowdsourced testing.
When were Tenzai and YesWeHack founded?
Tenzai was founded in 2025.
Who owns Tenzai and YesWeHack?
Tenzai is privately held.
Who are Tenzai and YesWeHack sold to?
Its pages describe an application security team that tests APIs reaching PCI-scoped and critical systems. YesWeHack says Bug Bounty Programs can be configured for startups and smaller businesses.

About Tenzai

Tenzai sells an AI agentic penetration testing platform that hacks, exploits and fixes vulnerabilities across enterprise software. Tenzai discovers attack surfaces, chains weaknesses and produces reproducible exploits. Tenzai is an Israeli AI security startup founded in 2025.

Tenzai was founded in 2025 by cybersecurity veterans Pavel Gurvich, Ariel Zeitlin, Ofri Ziv, Itamar Tal and Aner Mazur. Greylock Partners, Battery Ventures and Lux Capital back Tenzai, with Asheem Chandna of Greylock and Scott Tobin of Battery on the board. Tenzai has $75 million in seed funding.[1]

Tenzai's agents are engineered to learn the business purpose and workflows of applications. Tenzai starts autonomous tests in black, gray or white box modes. Tenzai tailors each test to the customer's goals, guidelines and organizational context. Tenzai shows the reasoning, assumptions and evidence gathered at every step of a test. Tenzai applies layered guardrails that enforce scope at the network level and check every action, following the customer's rules of engagement. Tenzai learns the customer's environment and the team's input from past runs. Tenzai finds business logic vulnerabilities and complex attack chains.

Tenzai discovers exploitable attack chains across web app, mobile, AI, external and internal network attack surfaces. For web apps, Tenzai traces attack paths from the browser through server-side logic to the database. For mobile apps, Tenzai tests Android apps on emulated devices to find runtime vulnerabilities. Tenzai applies static analysis to Android and iOS apps to uncover mobile attack surface. Tenzai tests MCP tools for poisoning, unauthorized access and exploitable inputs.

Tenzai looks for exploitable gaps in how APIs handle identities, permissions and multi-step workflows. For external networks, Tenzai continuously tracks internet-facing assets, starting from domains and public IP ranges.

Tenzai blocks exploitation with a hardened WAF rule that is validated for the customer's environment, ahead of a permanent fix. Tenzai offers step-by-step guidance, coding-assistant prompts and ticket creation for remediation. Tenzai guides the permanent fix and re-tests it. Tenzai deploys WAF rule mitigations and guides permanent remediation through security platforms including Akamai Technologies. Tenzai has made a formal expansion into network security.

Tenzai checks every update in an app, and only what has changed, with incremental runs. Tenzai makes scanner and bug-bounty findings actionable by verifying exploitability and gathering evidence for follow-up. Tenzai curates and benchmarks sets of frontier and open-weight models that security teams can match to each test type or application risk level.[1]

Tenzai on the record

Sources

Tenzai full record

  1. [1]Ahead partners with tenzai to strengthen cyber resilience with ai enabled penetration testingTenzai · tenzai.com · published July 23, 2026 · Tier A
  2. [2]tenzai.comTenzai · tenzai.com · undated page, accessed November 8, 2026 · Tier A
  3. [3]Tenzai: Your ultimate AI hacker teammateTenzai · undated page, accessed November 8, 2026 · Tier A
  4. [4]About Tenzai | AI Hacker for Autonomous PentestingTenzai · undated page, accessed November 10, 2026 · Tier A
  5. [5]Tenzai | AI Hacker for EnterpriseTenzai · undated page, accessed November 10, 2026 · Tier A

YesWeHack full record

  1. [1]yeswehack.comYesWeHack · yeswehack.com · undated page, accessed November 5, 2026 · Tier A
  2. [2]Offensive Security and Exposure Management Platform | YesWeHack | Bug BountyYesWeHack · undated page, accessed November 10, 2026 · Tier A
  3. [3]About YesWeHack: Offensive Security & Exposure Management platform Leading Bug Bounty PlatformYesWeHack · undated page, accessed November 10, 2026 · Tier A
  4. [4]Prioritisation problem: handling a growing vulnerability backlog | YesWeHackYesWeHack · undated page, accessed November 10, 2026 · Tier A
  5. [5]Pentest Management Solutions | YesWeHackYesWeHack · undated page, accessed November 10, 2026 · Tier A
  6. [6]Vulnerability Disclosure Policy Solutions | YesWeHackYesWeHack · undated page, accessed November 10, 2026 · Tier A
  7. [7]Vulnerability Management Platform: Centralize All Findings | YesWeHackYesWeHack · undated page, accessed November 10, 2026 · Tier A
  8. [8]Busting Bug Bounty misconceptionsYesWeHack · undated page, accessed November 10, 2026 · Tier A
  9. [9]‘Bug Bounty helps us meet regulatory requirements’: KOMOJU | YesWeHackYesWeHack · undated page, accessed November 10, 2026 · Tier A
  10. [10]"Triage was world class": Bug Bounty success story from risk-management giant DNVYesWeHack · undated page, accessed November 10, 2026 · Tier A
  11. [11]YesWeHack Reviews 2026: Details, Pricing, & FeaturesG2 · undated page, accessed November 10, 2026 · Tier C

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