Act Security

Actionable Cloud Risk-reduction for Security Teams

Cyber Security
Private

Company Overview

Snapshot

Founded in August 2025 by Jonathan Langer, Stephan Goldberg, Itay Kirshenbaum, and Ilai Fallach, Act Security operates with 11–50 employees. The company has successfully raised $60 million across two funding rounds from seven investors. In December 2025, Act Security closed a rapid Series A round, just four months after its Seed funding.

Business overview

Act Security is developing a platform designed to secure cloud infrastructure and data centers. The company's core technology focuses on eliminating access pathways that AI-powered attacks increasingly exploit, providing actionable cloud risk-reduction for security teams. It serves enterprises and IT departments, particularly those managing data centers, within the Cyber Security and Cloud Security sectors.

Strategic signal

In July 2026, Act Security officially launched its cloud security platform, coinciding with news of its $60 million funding. This launch signals the company's readiness to address agentic access sprawl at the infrastructure layer, a critical and evolving threat in the cybersecurity landscape. For investors, this indicates a transition from development to market entry, validating its technology and strategic approach to modern cloud security challenges.

Company Intelligence Q&A

When was Act Security founded and by whom?
Act Security was founded in August 2025 by Jonathan Langer, Stephan Goldberg, Itay Kirshenbaum, and Ilai Fallach.
What is Act Security's primary focus?
Act Security focuses on developing a platform for securing cloud infrastructure and data centers, specifically targeting the reduction of agentic access sprawl.
What was a significant funding event for Act Security?
In December 2025, Act Security closed a Series A funding round, following a Seed round just four months prior. This round included investment from Notable Capital and Hetz Ventures.
What was the total capital raised by Act Security?
Act Security has raised a total of $60 million across two funding rounds.
What recent development did Act Security announce regarding its platform?
In July 2026, Act Security officially launched its cloud security platform, designed to eliminate access pathways exploited by AI-powered attacks.

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