AI Security Startup Raises $18M to Combat Growing Enterprise Threats

As companies rush to adopt generative AI tools, a critical security gap is emerging that could expose sensitive corporate data. Prompt Security just secured $18 million in Series A funding to help enterprises safely navigate this new landscape.

The Hidden AI Security Crisis

The numbers are alarming: the average enterprise now uses 67 different generative AI tools, with nearly 90% lacking proper corporate approval or licensing. This "shadow AI" phenomenon creates massive security vulnerabilities that traditional cybersecurity measures can't address.

Prompt Security's platform tackles this challenge head-on by monitoring AI interactions across browsers, Microsoft Copilot, coding assistants, and custom applications. The system inspects both prompts and AI responses to prevent data leaks and defend against specific AI threats like prompt injections.

Key Features Protecting Enterprises

• Real-time monitoring of all AI tool usage across the organization
• Data leak prevention through prompt and response inspection
• Policy enforcement to ensure AI tools meet corporate standards and regulatory requirements

The company recently launched the first comprehensive security solution for Microsoft 365 Copilot, addressing one of the most widely adopted AI tools in enterprise settings.

Strong Backing from Major Players

Jump Capital led the funding round, with participation from Hetz Ventures, Ridge Ventures, Okta, and F5. The investment reflects growing recognition that AI security represents a critical new frontier for enterprise protection.

Co-founder and CEO Itamar Golan brings deep cybersecurity expertise from Check Point Software Technologies and Orca Security, including work on OWASP's Top 10 for LLM Applications.

As AI adoption accelerates across industries, solutions like Prompt Security's may become essential for maintaining data privacy and regulatory compliance in the AI-driven workplace.

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