Last updated 2026-07-30
- Raised $43M Seed Extension led by Greylock, Oct 2025
- Raised $32M Seed round led by Greylock, Apr 2025
Total raised
$75.0M
Last: Seed 2025-11
Stage
Seed
Founded
2025
Headcount
38
HQ
Tel Aviv, Israel
Sector
Cyber Security
About
Tenzai is an AI-native cybersecurity company building autonomous AI hackers to ensure enterprises deliver unbreakable code. Its platform actively hacks, exploits, and helps fix vulnerabilities across enterprise software - continuously and at scale.
Funding history · 2 rounds · $75.0M total
2025-10
Seed Extension
$43.0M
★ Greylock★ LUX Capital★ Battery VenturesJibe VenturesSwish Ventures
2025-04
Seed
$32.0M
★ Greylock★ Battery Ventures
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 · 9
Ofri Ziv
Founder · Co-founder & VP Research
Itamar Tal
Founder · Co-founder & VP Engineering
Aner Mazur
Founder · Co-founder & Chief Product Officer
Nathan Perdue
Chief Revenue Officer
Ilan Stern
Chief People Officer
Heather Jones
AVP, North America Channel Sales
Garret Weber
VP, Global Presales
Sectors & technology
Primary sector
Cyber Security
Technologies
Target customers
Business model
B2B
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
| Founded | 2025-5 |
|---|---|
| Employees (exact) | 38 |
Radar intelligence
Patents
| EPO | 6 |
|---|
GitHub
| Top repos | shiitake, datasets, crawlee, ziti-sdk-c, ziti |
|---|
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 |