Last updated 2026-08-20
- Raised $75M Seed Extension led by Lux Capital, Nov 2025
- Raised $32M Seed round led by Battery Ventures, May 2025
Total raised
$107.0M
Last: Seed 2025-11
Stage
Seed
Founded
2025
Headcount
38
HQ
Tel Aviv, Israel
Sector
Cybersecurity
About
Tenzai develops an "AI Hacker" platform designed for enterprise security, providing autonomous, agentic penetration testing. This platform is engineered to identify, exploit, and remediate vulnerabilities across enterprise applications, focusing squarely on application security and pentesting. The company's AI agents discover, chain, and exploit vulnerabilities that scanners miss, across every application, continuously.
Funding history · 2 rounds · $107.0M total
2 events/rounds · $107.0M Total Funding: $107.0M in Private Equity
Nov 2025
May 2025
Headcount over time
38 employees (2026-09) · 1 point
Offices
Tel Aviv, Israel · HQ / main office
Q&A
- What is Tenzai's primary focus?
- Tenzai is an AI-native cybersecurity company that builds autonomous AI hackers to ensure enterprises deliver unbreakable code by actively hacking, exploiting, and fixing vulnerabilities across enterprise software continuously and at scale.
- When was Tenzai founded and where is its headquarters?
- Tenzai was founded in May 2025 and is headquartered in Tel Aviv, Israel.
- How much funding has Tenzai raised to date?
- Tenzai has raised a total of $75,000,000 USD across two Seed rounds.
- When did Tenzai complete its most recent funding round and how much was raised?
- Tenzai completed a Seed round in November 2025, raising $43,000,000 USD.
- Which investors participated in Tenzai's November 2025 Seed round?
- The November 2025 Seed round included investments from Battery Ventures and Greylock.
- Which investors participated in Tenzai's May 2025 Seed round?
- The May 2025 Seed round included investments from Battery Ventures and Greylock.
- What is Tenzai's current employee count?
- Tenzai currently has 11-50 employees.
- Who are the co-founders of Tenzai?
- The co-founders of Tenzai are Pavel Gurvich (CEO), Ariel Zeitlin (CTO), Ofri Ziv (VP Research), Itamar Tal (VP Engineering), and Aner Mazur (Chief Product Officer).
Team · 8
Pavel Gurvich
Founder · CO-FOUNDER & CEO
Ariel Zeitlin
Founder · CO-FOUNDER & CTO
Ofri Ziv
Founder · CO-FOUNDER · RESEARCH
Itamar Tal
Founder · CO-FOUNDER · PLATFORM
Aner Mazur
Founder · CO-FOUNDER · PRODUCT
Nathan Perdue
CHIEF REVENUE OFFICER
Ilan Stern
Chief People Officer
Yael Wissner-Levy
CHIEF BRAND & COMMUNICATIONS OFFICER
Sectors & technology
Primary sector
Cybersecurity
Technologies
Target customers
Tags
cybersecurityartificial-intelligencemachine-learninggenerative-aib2bpenetration-testingapplication-security
Full data — links, identifiers, deals & radar signals (jobs, patents, research, more)
External links
| Website | tenzai.com/ |
|---|---|
| linkedin.com/company/107914239 | |
| X / Twitter | Tenzai_Labs |
Identifiers & details
| Legal name | TENZAI LABS LTD |
|---|---|
| Founded | 2025-5 |
| Employees (exact) | 38 |
Radar intelligence
Patents
| EPO | 6 |
|---|
GitHub
| Top repos | shiitake, crawlee, datasets, tenzai-circleci-orb, tenzai-cli |
|---|
Web history (Wayback)
| Domain | tenzai.com |
|---|
Certificate / subdomain footprint
| Subdomains | 5 |
|---|
Israeli Companies Registrar (רשם החברות / ICA)
| Registrar # (ח.פ.) | 517169173 |
|---|---|
| Status | פעילה |
| Corp type | ישראלית חברה פרטית |
| Incorporated | 2025-05-26 |
| Purpose | לעסוק בכל עיסוק חוקי |
| Liability | מוגבלת |
| In violation (unfiled) | no |
| Active charges / liens | 0 |
| Registry events | 1 — other (1) |
| Registered address | שד' שאול המלך 35 תל אביב - יפו |
Recent registry events
| Date | Event |
|---|---|
| 2026-01-13 | עדכון כתובת ו/או מען דיגיטלי |