Act Security
Cloud security software that restricts effective access across identities, networks and AI workloads.
$40MSeries A
Role not disclosedHV
Hetz Ventures
hetz.vc ↗Activity from announced rounds
Activity in this selectionOct 24, 2026 · Enterprise software · Jan 1, 2026
An Israeli seed investor focused on AI infrastructure, data infrastructure and cybersecurity.
Investment focus
Hetz Ventures backs early-stage Israeli companies in AI and data infrastructure and cybersecurity. Its approach combines seed investment with support from operators and networks of enterprise technology and security leaders.
Activity recorded on RoundOS
Published RoundOS records include Keewano, Act Security, Oak, Willow and Onit Security. They cover data systems, cloud access, identity, AI governance and exposure management. This is the selection of announcements captured in the database, rather than a complete account of Hetz’s investments.
Sources
- Rounds participated in
- 6
- Confirmed lead rounds
- — 6 roles undisclosed
- New companies
- 6 First participation on record · 0 follow-on
- Funding in participating rounds
- $390M 6 disclosed · full round size, not this investor’s share
By stage
By primary sector
By country
Rounds
6 in this selectionOak
Building the AI-native Identity Operating System
$60MSeed
Role not disclosedWillow
Provides 360-degree visibility and control over AI agents in the workplace
$7MSeed
Role not disclosedBAND
Builds interaction infrastructure for distributed AI agents enabling real-time collaboration
$17MSeed
Role not disclosedOnit Security
Provides agentic exposure management platform to automate vulnerability remediation
$11MSeed
Role not disclosedFundamental
Provides a Large Tabular Model to drive predictions from enterprise data
$255MSeries A
Role not disclosed