Tenzai's website preview

Well Run profileThe Chase Pack · #599 of 720

Position 599

Tenzai

Autonomous AI hacker that pentests enterprise web apps, APIs and AI apps continuously

Pace
6:00/kmWarm-up2.75
Distance
Distance Unproven.
Open ops roles
1
Last week
#509
Move
▼ 90
Peak
#509
Weeks in the 100
0
The Chart →
Rank and score over time
Board rank
#499#542#585#509Oct 18#575Oct 25
Pace score
02462.8Oct 182.8Oct 25

One point per Sunday re-rank, tracking since Oct 18. The lines fill in week by week.

Tenzai runs in the Warm-up lane (6:00/km): 37 of 94. Further right = more momentum. No competitors on the board yet, so it runs alone.
Total raised
$75Msee rounds ↓
Founded
2025
HQ
Tel Aviv, Israel

Leadership

The problem

Manual pentests are slow, episodic and expensive while AI-written code ships new vulnerabilities daily

What they do

Autonomous AI hacker that pentests enterprise web apps, APIs and AI apps continuously

Traction No revenue disclosed; early enterprise deployments, top 1% vs 125,000 human hackers

Hiring trend

Open roles
8
Ops roles
1
Headcount
~40-65

~20 staff at Nov 2025 launch to ~40-65 (PitchBook/Tracxn 2026); 8 open roles

Funding

Last round
$75M
Stage
Seed
Date
Nov 2025

Led by Greylock, Battery Ventures, Lux Capital

Distance

Unproven

Eleven months out of stealth with no disclosed revenue; strong founders and capital, but AI pentesting is a crowded race (XBOW, Horizon3.ai, RunSybil and incumbents) with no leader yet.

Sources: Globes: $75M seed, 20 employees, founded six months earlier (Nov 2025) ↗ · Greylock: led $75M seed, early design-partner deployments ↗ · Tenzai: autonomous mitigation via Akamai WAF (Jul 2026) ↗

Last checked Oct 13, 2026

Funding historyTotal raised $75M

  1. Nov 2025Seed$75MLed by Greylock, Battery Ventures, Lux Capital tenzai.com ↗

Profile facts checked Oct 19, 2026. Every fact links to its public source.

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