CISO Tribune

Vendor comparison · 2 companies

Tenzai vs Vonahi Security

Tenzai sells an AI agentic penetration testing platform that hacks, exploits and fixes vulnerabilities across enterprise software. Vonahi Security sells vPenTest, an automated network penetration testing SaaS platform. vPenTest is a scripted network penetration testing platform that runs the exact same steps and processes performed by a security consultant doing a live pentest. vPenTest is a full-scale penetration testing platform that incorporates the knowledge, methodologies, techniques and commonly used tools of multiple consultants into a single platform. vPenTest covers host discovery, service enumeration, vulnerability analysis, exploitation, post-exploitation, privilege escalation and lateral movement, as well as documentation and reporting. CISO Tribune files both under Breach simulation and automated pen-testing and Penetration testing and red team services. 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
  • Vonahi Security
Tenzai vs Vonahi Security: Products, Customers and Funding Compared
TenzaiTenzai sells an AI agentic penetration testing platform that hacks, exploits and fixes vulnerabilities across enterprise software.tenzai.comVonahi SecurityVonahi Security sells vPenTest, an automated network penetration testing SaaS platform. vPenTest is a scripted network penetration testing platform that runs the exact same steps and processes performed by a security consultant doing a live pentest. vPenTest is a full-scale penetration testing platform that incorporates the knowledge, methodologies, techniques and commonly used tools of multiple consultants into a single platform. vPenTest covers host discovery, service enumeration, vulnerability analysis, exploitation, post-exploitation, privilege escalation and lateral movement, as well as documentation and reporting.vonahi.io
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.
  • vPenTest[1][2][3][4][5][7][10][11][12]A SaaS platform for automated network penetration testing. vPenTest covers internal and external network environments.
Categories
Headquarters
Not stated on its pagesAtlanta, GA, USA[1][11]
Founded
2025[2][4][5]Not stated on its pages
Ownership and funding
Privately held[3]Owned by Kaseya[5]
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: Not stated on its pages
  • 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.Not written yet
Last verified
November 8, 2026November 12, 2026

Where they overlap

  • Tenzai and Vonahi Security are both filed under Breach simulation and automated pen-testing and Penetration testing and red team services.

Where they differ, field by field

  • Tenzai's primary category is Breach simulation and automated pen-testing; Vonahi Security's is Penetration testing and red team services.
  • Tenzai lists Tenzai. Vonahi Security lists vPenTest.
  • Vonahi Security is headquartered in Atlanta, GA, USA.
  • Tenzai was founded in 2025.
  • Tenzai is privately held. Vonahi Security is owned by Kaseya.

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.

Questions about Tenzai and Vonahi Security

What do Tenzai and Vonahi Security sell?
Tenzai sells Tenzai. Vonahi Security sells vPenTest.
Are Tenzai and Vonahi Security in the same category?
They share Breach simulation and automated pen-testing and Penetration testing and red team services. Tenzai's primary category is Breach simulation and automated pen-testing and Vonahi Security's is Penetration testing and red team services.
Where are Tenzai and Vonahi Security headquartered?
Vonahi Security is headquartered in Atlanta, GA, USA.
When were Tenzai and Vonahi Security founded?
Tenzai was founded in 2025.
Who owns Tenzai and Vonahi Security?
Tenzai is privately held. Vonahi Security is owned by Kaseya.
Who are Tenzai and Vonahi Security sold to?
Its pages describe an application security team that tests APIs reaching PCI-scoped and critical systems.

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

Vonahi Security full record

  1. [1]Crest press releaseVonahi Security · vonahi.io · published June 12, 2024 · Tier A
  2. [2]vonahi.iovonahi.io · undated page, accessed November 12, 2026 · Tier A
  3. [3]ServicesVonahi Security · undated page, accessed November 12, 2026 · Tier A
  4. [4]CREST Penetration Testing 2025 | Vonahi SecurityVonahi Security · undated page, accessed November 12, 2026 · Tier A
  5. [5]Network Penetration Testing Platform | vPenTestVonahi Security · undated page, accessed November 12, 2026 · Tier A
  6. [6]Meet Our Team | Vonahi SecurityVonahi Security · undated page, accessed November 12, 2026 · Tier A
  7. [7]Automated Network Penetration Testing | Vonahi SecurityVonahi Security · undated page, accessed November 12, 2026 · Tier A
  8. [8]Get a vPenTest Pricing Quote | Vonahi SecurityVonahi Security · undated page, accessed November 12, 2026 · Tier A
  9. [9]InsurwaveVonahi Security · undated page, accessed November 12, 2026 · Tier A
  10. [10]Stratus ip Case Study | vPenTestVonahi Security · undated page, accessed November 12, 2026 · Tier A
  11. [11]NetcotechVonahi Security · undated page, accessed November 12, 2026 · Tier A
  12. [12]Case StudiesVonahi Security · undated page, accessed November 12, 2026 · Tier A

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