October 13th 2026, 5:27 PM
AI Security Startup Pluto Raises $42M to Secure Employee-Built AI Tools
Key Summary
Pluto Security, a cybersecurity startup, has raised $42 million to secure AI tools built by employees, a growing concern in enterprise IT departments. The company protects over 1 million endpoints and has signed 40 enterprise customers, including Oscar Health and AlphaSense. With the funding, Pluto plans to expand its presence in the US market, enhance product development, and conduct security research.
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Overview
Pluto Security has come out of stealth with $42 million in total funding. Its pitch targets a problem most IT departments are only starting to notice: employees quietly building their own AI-powered apps.The Money and the People Behind It
The $42 million breaks into two rounds. A seed round of roughly $8.5 million was led by TLV Partners, with Ansa Capital participating.Traction that Arrived Fast
Pluto only started selling its product in April 2026. In the months since, it has signed more than 40 enterprise customers. That list includes Oscar Health and AlphaSense.What Pluto Actually Does
The company focuses on securing enterprise AI tools, employee-built applications and browser extensions. A big part of the focus is so-called \#AI#Cybersecurity#US#EnterpriseIT