SentinelOne has announced that it has signed a definitive agreement to acquire Prompt Security, extending its AI-native Singularity Platform and securing the use of generative (GenAI) and agentic AI in the workplace.
“AI is the most transformative force in the world today—but without security, it becomes a liability,” said Tomer Weingarten, CEO of SentinelOne. “With Prompt Security, we’re making it possible for every company to fully embrace GenAI and agentic AI without compromising safety and Security. This is the foundation for secure AI adoption at scale.”
Protecting against the risks of AI adoption
Prompt Security’s technology helps organisations embrace GenAI usage by integrating across browsers, desktop applications, and APIs.
The approach provides real-time protection at the point of interaction, enabling organisations to stop prompt injections, data leakage and misuse. Used in complement to SentinelOne’s endpoint platform, the approach creates a unique, integrated layer for GenAI.
Combined value
WithPrompt Security’s capabilities, SentinelOne will provide customers with a comprehensive real-time AI visibility into how AI is being used across the enterprise, policy-based controls to enforce safe use, block high-risk prompts, and prevent data leakage in real time; and an AI attack preventionagainst threats like prompt injection, malicious output manipulation, and model abuse.
Their combined value also includes a model-agnostic coverageacross all major LLM providers, including OpenAI, Anthropic, and Google, as well as self-hosted or on-prem models and MCP gateway securitybetween AI applications and more than 13,000 known MCP servers, to intercept every call, prompt template, and response.
“As enterprise adoption of GenAI and agentic AI accelerates, the security and privacy risks are rapidly shifting from theoretical to operational,” said Itamar Golan, CEO and co-founder of Prompt Security. “SentinelOne shares our passion for empowering teams and organisations to embrace AI as a distinct advantage, while delivering real-time, automated protection built for the AI-native world. By bringing together our pioneering technology with SentinelOne’s incredible platform, team, channel and customer base, we can make AI security a reality for virtually every organisation in the world.”
