SentinelOne has announced its acquisition of Prompt Security, a startup specializing in AI security, to enhance its capabilities in safeguarding AI technologies.
Information on the Target
SentinelOne has reached an agreement to acquire Prompt Security, a burgeoning startup dedicated to securing artificial intelligence (AI) and agentic technologies. Prompt Security, recognized as one of CRN's cybersecurity startups to watch in 2025, specializes in protecting runtime AI, preventing data leakage, and safeguarding intelligent agents. This strategic acquisition marks a significant step in SentinelOne's effort to enable safer AI adoption.
Founded in 2023, Prompt Security has quickly positioned itself as a leader in the field by offering innovative solutions that enhance visibility and governance over generative AI (GenAI) tools. In November 2024, the startup successfully raised $18 million in a Series A funding round, led by Jump Capital, and welcomed participation from notable investors such as Hetz Ventures, Ridge Ventures, Okta, and F5.
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Industry Overview in the Target’s Specific Country
The cybersecurity industry in the United States has seen significant growth in recent years, driven by increasing digitization, rising cyber threats, and a growing reliance on AI technologies. Companies across various sectors are
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SentinelOne
invested in
Prompt Security
in 2026
in a Other deal