Microsoft Purview vs PromptDuty

Choosing the right data protection solution depends on where your risks are. Microsoft Purview governs your corporate data estate. PromptDuty protects what employees actually send into generative AI.

Overview

Microsoft Purview is an enterprise data governance, compliance, and data loss prevention platform across the Microsoft ecosystem and broader data estate.

PromptDuty is a real-time AI prompt protection tool that scans and controls what users send to generative AI tools like ChatGPT, Claude, and Gemini.

Core Differences

Capability	Microsoft Purview	PromptDuty
Primary focus	Data governance & compliance	Real-time AI prompt safety
Protection layer	Data at rest, in use, in motion	Data before AI prompt transmission
Real-time prompt inspection	No	Yes
Cross-AI coverage	Limited to policy & DLP context	Native support for 20+ AI tools
Enforcement scope	Enterprise policies	Browser/agent level prompt control

Apps and Services Covered

Microsoft Purview Coverage

Purview's coverage extends across Microsoft services and broader organisational data sources:

Microsoft Ecosystem & SaaS

• Microsoft 365 apps — Exchange/Outlook, SharePoint, OneDrive, Teams
• Office content & files — Word, Excel, PowerPoint
• Microsoft 365 Copilot — policy enforcement & DLP context
• Microsoft Defender for Cloud Apps — app discovery & risk assessment

Endpoints & Devices

• Windows & macOS endpoints via Endpoint DLP

Data Sources & Environments

• Azure data stores & hybrid/on-prem data estates
• SaaS and multi-cloud environments via unified governance & cataloging

Compliance Tooling

• eDiscovery, audit logs, insider risk, retention policies across the above platforms

PromptDuty Coverage

PromptDuty focuses on AI prompt interception and control across many generative AI interfaces:

AI Tools Supported

• ChatGPT
• Claude
• Gemini
• Perplexity
• Copilot (Microsoft and others)
• 20+ other AI tools accessed via browser

Browser Coverage

• Works where users type or paste into AI web UIs
• Local browser/agent layer prevents leaks before the prompt is sent

Control Actions

• Masking — automatically replace sensitive data with tokens
• Blocking — prevent prompts with high-risk data from being sent
• User warnings — alert users when sensitive patterns are detected
• Audit logs — comprehensive logging for compliance reporting

How They Complement Each Other

Microsoft Purview provides governance and compliance across data sources, plus DLP and retention policies across corporate apps and endpoints.

PromptDuty provides real-time interception of AI prompt data, with coverage across generative AI tools independent of backend ecosystems.

Together:

• Purview ensures sensitive data is labeled and governed in corporate systems
• PromptDuty ensures sensitive data doesn't leak into external AI systems during normal usage

Which One Do You Need?

If your organization already uses Microsoft 365 and needs comprehensive data governance across your Microsoft ecosystem, Purview is essential.

If your employees use AI tools like ChatGPT, Claude, or Gemini — whether officially sanctioned or not — PromptDuty fills the gap that traditional DLP can't cover.

For most enterprises, the answer is both: Purview for your data estate, PromptDuty for the AI frontier.