SentinelOne, the well-known AI-based cybersecurity provider, has announced a definitive agreement to acquire Prompt Security, a leader in runtime AI security. This acquisition is a significant step in expanding SentinelOne’s Singularity™ platform to secure the growing adoption of generative AI in the workplace, ensuring real-time insights and data protection without stifling innovation.
With the help of Prompt Security's expertise strives SentinelOne to provide CIOs and CTOs with the necessary tools to drive secure and scalable implementation of artificial intelligence. The acquisition aims to drive growth and expansion of the platform for SentinelOne and its partners.
Prompt Security provides organizations with immediate access to GenAI usage data across the enterprise, ensuring safe and controlled AI usage. This prevents AI shadow risks and facilitates the implementation of tools such as ChatGPT and other LLMs without sacrificing security.
The combination of SentinelOnes Leading endpoint, cloud, data and SecOps capabilities with Prompt Security's advanced AI defense platform offer a comprehensive approach to securing AI in modern enterprises, with seamless integration from infrastructure to usage.

“AI is the most transformative force in the world today – but without security it becomes a burden,” says Tomer Weingarten, CEO of SentinelOne. “With Prompt Security, we enable all enterprises to fully embrace GenAI and agent-based AI without compromising security. This is the foundation for secure AI implementation at scale.”
Prompt Security This groundbreaking technology addresses the urgent challenge of protecting against risks associated with AI use. It works across browsers, desktop applications, and APIs, offering real-time interaction protection and stopping prompt injections, data leaks, and abuse before they escalate.
With Prompt Security's capabilities, SentinelOne will provide customers with:
- Real-time AI visibility across the enterprise, enhancing SentinelOne's existing endpoint capabilities.
- Policy-based controls to ensure safe AI use and prevent data leakage.
- Prevention of AI attacks against instant injections and other AI-related threats.
- Comprehensive model-agnostic coverage across major LLM providers.
- MCP gateway security for secure interactions between AI applications.
This acquisition significantly strengthens SentinelOne's domain in securing the modern enterprise, from endpoints to cloud identity and now GenAI. SentinelOne has been a pioneer in AI for security teams and was the first pure cybersecurity company to introduce agentic and GenAI into its platform.

Itamar Golan, co-founder of Prompt Security, reiterated that both companies share a vision to empower organizations to use AI as an advantage while maintaining robust real-time protection. “As enterprises adopt GenAI and agentic AI “As the pace of change accelerates, security and privacy risks are rapidly shifting from theoretical to operational. SentinelOne shares our passion for empowering teams and organizations to embrace AI as a clear advantage, while delivering automated, real-time protection built for the AI-embedded world. By bringing together our cutting-edge technology with SentinelOne’s incredible platform, team, channel and customer base, we can make AI security a reality for virtually every organization in the world.”