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2026年 Gartner® Magic Quadrant™ エンドポイント保護部門のリーダー。6年連続受賞。理由を見る

Prompt Security

Ship AI. Not Risk.

One platform. Every AI touchpoint. Full visibility and control. From employees and developers to homegrown apps and autonomous agents, Prompt Security protects your entire AI ecosystem without slowing innovation.

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Today's Reality

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AI Usage Control

Govern Every AI Tool Your Workforce Uses

Discover, govern, and protect AI usage across every employee and developer in your organization.

  • Inventory every AI tool and code assistant in use, including unsanctioned shadow AI

  • Redact sensitive data and enforce policies across 15,000+ AI services in real time

  • Keep developers productive with GitHub Copilot, Cursor, and Claude Code without exposing IP or secrets

Learn How
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AI Application Security

Secure the AI Apps You Build

Defend AI apps from pre-production testing through live runtime enforcement.

  • Automatically test for prompt injection, jailbreaks, and data poisoning before deployment

  • Block adversarial prompts and scrub sensitive outputs with a real-time AI firewall

  • Turn red teaming findings into production guardrails automatically, on a shared policy fabric

Learn How
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Agentic AI Security

Secure the Agents Acting on Your Behalf

Map every agent and MCP server in your environment, then govern what they can do.

  • Discover shadow MCP servers and unsanctioned agent deployments automatically

  • Enforce least-privilege access so agents operate only within their defined scope

  • Get a searchable audit log of every agent action, decision, and enterprise system interaction

Learn How

Get Started

GAIN THE PROMPT SECURITY ADVANTAGE

Get a Demo
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Use Cases

From Visibility to Control. Across Every AI Risk.

See Everything. Control Everything.

Discover every AI tool, app, and agent in your environment. Enforce policies that scale with adoption.

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Discover Shadow AI

Identify unsanctioned AI tools and services across your workforce before they become data leakage risks.

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Enforce AI Usage Policies

Set granular, role-based controls for who can use AI, how, and with what data.

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Meet Compliance Requirements

Enforce enterprise AI usage policies across every touchpoint to address regulatory and audit pressures as AI adoption scales.

Results

Measurable Impact from Day One

Deploy in minutes. See results immediately.
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    15,000+

    AI tools and services monitored and governed

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    100%

    Visibility across employee AI usage, code assistants, apps, and agents.

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Success Stories

Trusted by Teams Securing AI at Scale

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“Prompt Security has allowed us to be enablers for the business. We’re able to expand AI use across the company while keeping it safe and proportionate.”

Richard Moore

CISO at 10x Banking
See the Results
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“Prompt Security provides us with the safety net we need, so we can confidently say ‘yes’ to AI.”

Tamir Ronen

Global CISO at HiBob
See the Results

Why SentinelOne?

The AI Security Advantage

Full-spectrum AI security, from the employee to the agent. Built into the Singularity™ Platform.
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Complete AI Lifecycle Coverage

From employees and code assistants to homegrown apps and autonomous agents. One platform covers every AI touchpoint.

See for Yourself
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Real-Time Enforcement

Policies enforced at the point of interaction, not after the fact. Block threats and data leakage as they happen.

See for Yourself
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Deploy in Minutes, Not Months.

Fast deployment with immediate protection. No complex integrations. No infrastructure changes.

See for Yourself
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Built into the Singularity Platform

Prompt Security is part of the same platform that protects your endpoints, cloud, identity, and data. One console. Unified visibility.

See for Yourself

Platform Integration

Unified Defense Across Every Surface

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Secure AI Systems End-to-End

Protect the full AI lifecycle from infrastructure and data to applications, agents, and usage across the enterprise.

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Accelerate the SOC with AI

Prompt Security operates within the same platform that protects your endpoints, cloud, identities, and data, giving security teams unified visibility across traditional and AI-specific risks.

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Protect Devices, Identities, and Cloud

Combine AI security with endpoint, identity, and cloud workload protection across the Singularity Platform.

Getting Started

Up and Running in Minutes, Not Months.

SETUP

Connect Your Environment

Integrate with your existing infrastructure in minutes. No disruption. Protection starts immediately.

BUILD

Define Your Policies

Set governance controls, data protection rules, and enforcement policies tailored to your organization's AI usage and risk tolerance.

EVOLVE

Scale with AI Adoption

As your organization adopts new AI tools, apps, and agents, Prompt Security discovers and protects them automatically.

Resources

Go Deeper on Prompt Security

Resource Center
  • Resource Default image
    PRODUCT TOUR

    Prompt Security Solution Tour

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    Datasheet

    Prompt Security Data Sheet

  • Prompt Security named in Gartner® Cool Vendors™ in AI Security
    Report
    2025年10月20日

    Prompt Security named in Gartner® Cool Vendors™ in AI Security

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    Whitepaper

    Securing AI and LLMs

Need Answers?

Frequently Asked Questions

Prompt Security is an AI security platform that protects how employees, developers, and applications use AI across the enterprise. It provides real-time governance, data leakage prevention, and threat protection across AI tools, code assistants, homegrown AI apps, and autonomous agents.

Prompt Security protects against shadow AI usage, sensitive data leakage into AI models, prompt injection attacks, jailbreaks, unsafe model outputs, data poisoning, and unauthorized agent actions. It covers risks across employee AI tools, developer code assistants, custom AI applications, and agentic AI.

Prompt Security automatically discovers AI tools and services in use across your organization, including unsanctioned shadow AI. It provides full visibility into which tools are being used, by whom, and with what data, then enforces governance policies in real time.

Yes. Prompt Security integrates with AI code assistants like GitHub Copilot and Claude Code to prevent secrets, credentials, and proprietary code from leaking into prompts, while enforcing secure AI usage policies across development environments.

Prompt Security deploys in minutes. No complex integrations or infrastructure changes are required. Organizations see immediate protection and visibility upon deployment.

Prompt Security is built into the SentinelOne Singularity Platform. Governance policies and AI risk visibility are managed from the same console that covers endpoint, cloud, identity, and data security, giving teams a unified view across traditional and AI-specific threats.

Next Steps

See What AI Security Looks Like

Get a DemoSee It in Action
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