Prompt Security Review

Govern employee AI use and protect enterprise AI applications, agents, and MCP connections.

Independently researched by AI Toolbox Team · Reviewed 2026-08-09
THE SHORT VERSION

What Prompt Security does

Prompt Security is an enterprise AI-security platform for discovering generative-AI use, applying data and usage policies, testing AI applications, and protecting prompts, responses, agents, and tool calls.

Prompt Security addresses both sides of enterprise generative AI: employees using external assistants and developers operating internal AI applications. Its platform can provide usage visibility, data controls and coaching, application red teaming, runtime protection, and an MCP gateway for inspecting or governing tool interactions.

There is no public self-service price. Cost depends on users, applications, traffic, modules, deployment, integrations, support, and contract. Cloud and self-hosted options have different operational responsibilities, so a quote should specify what content is processed, where it is retained, how keys are handled, and what availability applies to inline enforcement.

Inline controls can expose sensitive prompts to another processor and can disrupt legitimate work when a detector lacks business context. Redaction may alter meaning, browser visibility may be incomplete, and encrypted or unsupported paths can create blind spots. Minimize capture, test policy behavior by role and language, provide safe user explanations and exception routes, and fail safely when the control plane is unavailable.

UNDER THE HOOD

How Prompt Security works

The platform connects at approved user, browser, network, API, or application layers to observe supported AI interactions and apply policies to prompts, responses, files, or tool calls. It can discover shadow AI, warn or block users, redact covered data, test homegrown applications, and enforce controls around agents and MCP. Administrators define scope and exceptions; humans investigate alerts, validate context, and authorize business-impacting blocks.

YOUR INPUTPROMPT SECURITYREVIEWED OUTPUT
QUICK START

How to set up Prompt Security

1

Map AI use and sensitive data

Identify sanctioned and unsanctioned assistants, internal applications, agents, MCP servers, data classes, users, jurisdictions, and prohibited actions.

2

Select collection and deployment paths

Compare browser, network, API, application, cloud, and self-hosted options with privacy, latency, availability, retention, and quote requirements.

3

Pilot visibility before blocking

Connect a limited group, minimize collected content, validate application coverage and identities, and inspect alerts across representative languages and file types.

4

Tune policies and exceptions

Create role-specific allow, warn, redact, and block rules; test false positives, prompt injection, data leakage, tool calls, and a documented exception workflow.

5

Operate with accountable review

Assign alert and outage owners, monitor bypass and user impact, audit permissions and retention, and reevaluate after vendor, model, or application changes.

COMMON QUESTIONS

Prompt Security FAQs

What does Prompt Security protect?

It covers supported employee GenAI use, internally built AI applications, runtime interactions, red-team testing, and agent or MCP tool activity depending on deployment.

Can it run on premises?

Prompt Security advertises cloud and self-hosted deployment choices; buyers should confirm exact modules, data paths, upgrades, and support for their edition.

Does Prompt Security publish pricing?

No public universal rate card was found. Pricing requires a quote based on scope, users, applications, traffic, modules, and deployment.

Will data redaction catch everything?

No. Detection can miss novel formats or context and can over-block legitimate text. Use minimization, layered DLP, testing, monitoring, and human review.

Can it make MCP safe automatically?

No. A gateway can inspect and enforce covered calls, but server provenance, tool permissions, authentication, schemas, authorization, logging, and approval remain essential.

Listing reviewed 2026-08-09. Product details and pricing can change; verify important terms on the provider's website.

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