Who is Prompt Security?
Prompt Security is a private cybersecurity company focused on securing enterprise use of generative AI, large language models, and related applications through policy enforcement, visibility, and risk controls.
- AI security controls for employee use of generative AI tools and browser-based prompts
- Protection against sensitive data exposure, prompt injection, and unsafe model interactions
- Governance and visibility for sanctioned and unsanctioned AI application usage
- Policy enforcement across SaaS AI services, copilots, browser extensions, and APIs
- Monitoring, risk detection, and response workflows aligned with enterprise security operations
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More About Prompt Security
Prompt Security operates in enterprise cybersecurity, with an emphasis on the operational and governance risks created by widespread use of generative AI services. Its offerings are generally positioned for security teams, infrastructure groups, and platform owners that need to monitor how employees and applications interact with external and internal AI systems. In practice, this includes controlling prompt traffic, identifying data exposure events, and enforcing organizational policies for approved AI usage.
The company is associated with the AI security and LLM security segment, which sits alongside broader cloud security, data loss prevention, and application security categories. Its technology focus is on inspection and control of prompts, responses, model access, and AI-enabled workflows across browsers, SaaS applications, APIs, and enterprise environments. Common enterprise requirements in this area include detection of confidential data leakage, blocking of risky prompt content, identification of shadow AI usage, and policy-based restrictions tied to users, applications, or destinations.
In enterprise architectures, these controls can complement secure web gateways, data security programs, identity systems, and security operations tooling rather than replace them. The practical distinction is that AI security platforms focus on risks specific to large language model usage, such as prompt injection, unsafe plugin or extension behavior, model data exposure, and governance over employee interactions with public AI services. That places Prompt Security in a current market segment centered on AI governance, LLM application protection, and enterprise controls for generative AI adoption.
As a private company serving enterprise environments, Prompt Security is best understood as operating in cybersecurity software for AI-era risk management. Its current positioning aligns with solution areas such as AI security, data protection for generative AI usage, and enterprise governance for AI applications and copilots. Those areas are relevant to organizations deploying internal AI assistants, allowing employee access to third-party AI services, or exposing business workflows through LLM-backed applications and APIs.
Our description of Prompt Security. Updated September 2026.
