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AI DLP Solutions

A directory of 19 tools that keep sensitive data out of AI assistants, copilots and agents: desktop and browser controls, network and SaaS platforms, and application-layer guardrails and libraries. Links go to each vendor's site.

19 tools•3 categories•Updated November 2026

Desktop, Browser & Endpoint AI DLP

6 entries

Tools that check what employees paste or send to AI assistants, on the device or in the browser, before it leaves.

01SUPERWISE SentinelA desktop "AI firewall" that, per its site, checks covered prompts on the computer and redacts or blocks sensitive values before they reach the AI provider. SUPERWISE says it receives only check metadata, not prompt content. Its page lists support for Claude Code, Claude Desktop and Codex CLI, with a browser extension in preview for ChatGPT and Claude. 02Harmonic SecurityPlatform that, per its site, detects shadow AI, prevents data leaks and coaches employees inline across web, desktop and agentic workflows. 03CyberhavenPlatform that combines DLP, data security posture management (DSPM), insider risk and AI security, using data lineage to trace files, fragments and AI prompts. 04Island Enterprise BrowserEnterprise browser and control plane that, per its site, enforces browser DLP and governs human and AI workflows. 05Nightfall AIData security platform that, per its site, protects data movement across endpoints and SaaS, including AI agents and MCP servers, in real time. 06StracData security platform covering DLP, DSPM and MCP security for SaaS, cloud, browsers, endpoints and AI agents, with automated remediation, per its site.

Network, Cloud & SaaS Data Protection with AI Controls

7 entries

Established DLP and security platforms that apply data policies to generative AI apps and copilots.

07Microsoft Purview DLP for CopilotPurview DLP policies for Microsoft 365 Copilot, Copilot Chat and Cowork, which can block sensitive prompts, web search and labeled content, per Microsoft Learn. 08Zscaler Data SecurityUnified data security platform combining DSPM, classification and inline DLP, per its site. 09Palo Alto Networks AI Access SecurityService for safe use of GenAI apps, with real-time visibility, access controls, threat protection and data loss prevention, per its site. 10Cloudflare DLPInspects traffic, files and email content to identify and block sensitive data as part of Cloudflare Zero Trust, per its site. 11Forcepoint DLPLong-established enterprise DLP for classifying and protecting sensitive data across channels. Check its current AI-specific controls with the vendor. 12Proofpoint Information ProtectionProduct family that unifies DLP, DSPM, AI data security, insider threat management and communications governance, per its site. 13VaronisData and AI security platform that, per its site, reduces risk, enforces policies and stops active threats.

Model, API & Application-Layer Data Protection

6 entries

Controls and libraries that find and mask sensitive data in prompts and responses inside AI applications.

14Google Cloud Model ArmorGoogle Cloud service that screens prompts and responses for prompt injection, sensitive data leaks and harmful content. 15Amazon Bedrock GuardrailsAWS guardrails for generative AI applications, tailored to use cases and responsible AI policies, that include controls for sensitive information. 16Lasso SecurityAI security platform that, per its site, gives visibility, control and protection across AI models, agents and apps. 17Private AIDe-identification software for PII, PHI and PCI across 52 languages, deployable in your own infrastructure, per its site. 18Microsoft PresidioOpen-source toolkit for PII detection and anonymization in text, images and structured data. Its documentation has moved to a new address. 19LLM GuardOpen-source security toolkit for LLM interactions, with scanners for sensitive data in prompts and outputs. Its GitHub repository is archived and read-only, so treat it as a reference rather than a maintained product.

Related Pages

8 entries

Related directories on this site.

20Data Loss Prevention (DLP) SoftwareClassic DLP vendors for endpoints, networks and cloud. 21AI Gateways and LLM GatewaysGateways that add PII redaction, policy and logging to model traffic. 22AI Agent GuardrailsGuardrails for AI agents, including sensitive-data checks. 23AI Agent Security SolutionsSecurity tools for AI agents. 24AI Application Security SolutionsSecurity for AI applications and agents. 25Cloud Access Security Broker (CASB) SoftwareCASBs that control SaaS and generative AI app use. 26Data Governance PlatformsGovernance and catalog platforms. 27AI-Driven Cybersecurity Use-CasesUse cases and tools from AI threat detection to recovery, with success metrics.

Frequently Asked Questions

What is AI DLP?

AI data loss prevention (AI DLP) checks the prompts, files and responses that flow between people, applications and AI models, and redacts, blocks or logs sensitive data such as personal data, secrets and customer records before it leaves your control.

How is AI DLP different from traditional DLP?

Traditional DLP watches files, email and network channels with predefined rules. AI DLP also has to read free-text prompts, work inside chat sites, copilots and coding agents, and handle model responses, often by redacting values so the AI task can still run.

Where can AI DLP run?

On the device or browser (SUPERWISE Sentinel, Harmonic, Island), in the network or SaaS layer (Purview, Zscaler, Palo Alto Networks, Cloudflare), or inside the application with a gateway, guardrail or library (Model Armor, Bedrock Guardrails, Presidio). Many organisations combine layers.

Does a ban on ChatGPT or Claude stop data leaks?

Not reliably. SUPERWISE argues on its Sentinel page that a ban hides AI use rather than stopping it. Many vendors here pair visibility into shadow AI with inline redaction or coaching instead of a blanket block.

How do I choose an AI DLP tool?

Check which AI tools and channels are covered (browser, desktop apps, coding agents, APIs), what it detects, whether it redacts or only blocks, where prompt content is processed and stored, false-positive handling, and how events reach your SIEM. Several vendors list gaps themselves, for example roadmap items and preview features.

What does SUPERWISE Sentinel cover?

According to the SUPERWISE Sentinel page, it replaces sensitive values in covered prompts on the computer before they reach the AI provider and sends SUPERWISE only check metadata. The page lists Claude Code, Claude Desktop, Codex CLI and apps built with frameworks such as LangChain as supported, a browser extension in preview for ChatGPT and Claude on Chrome and Edge on Windows, and custom patterns and SIEM export as roadmap items. Pricing and availability are the vendor's and can change.

How current is this page?

Links were checked on 3 November 2026. Descriptions follow each vendor's own pages and are not independent evaluations or detection benchmarks. Microsoft Presidio's documentation has moved to data-privacy-stack.github.io, and the LLM Guard repository is archived. Confirm features, supported tools and pricing with each vendor.