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 raised $60,000,000 across two funding rounds from four investors. In December 2025, Act Security closed an A Round with investment from Notable Capital.
Business overview
Act Security is developing a platform designed to secure cloud infrastructure and data centers. The company's core technology focuses on providing actionable risk-reduction solutions for security teams, operating within the Cyber Security sector, specifically targeting Cloud Security. It serves enterprise and professional services, including IT departments, data centers, and general enterprises.
Strategic signal
In December 2025, Act Security rapidly closed a Series A funding round, only four months after its Seed round. This swift progression from Seed to Series A indicates strong investor confidence and validates the company's early traction and market potential in the competitive cloud security landscape. For investors, this signals accelerated growth and a robust development trajectory.
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- 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, aiming to provide actionable cloud risk-reduction for security teams.
- What was Act Security's most recent funding event?
- In December 2025, Act Security closed an A Round with investment from Notable Capital and Hetz Ventures.
- Which investors participated in Act Security's Seed round?
- In August 2025, Act Security received Seed funding from Bessemer Venture Partners and Team8.
- What is the total capital raised by Act Security?
- Act Security has raised a total of $60,000,000 across two funding rounds.