A browser extension that masks sensitive data before it reaches AI chatbots.
Product memo
Microsoft 365 businesses use PromptDuty to prevent sensitive data from leaking into AI chatbots. It focuses on real-time PII masking and blocking specifically for popular LLMs like ChatGPT, Claude, and Gemini. This targeted approach addresses compliance risks and offers granular control over employee AI usage, deploying easily via Intune.
- For who
- Microsoft 365 businesses
- Solves what
- Leaking sensitive data to AI chatbots like ChatGPT, Claude, and Gemini.
- Browser extension for AI data protection
- Real-time PII detection and masking
- Deployment via Intune
In their own words
Stop leaking data to ChatGPT.
Your employees paste confidential data into AI tools daily. Our browser extension masks sensitive info before it reaches the LLM.
Browser extension that warns, masks, and blocks sensitive data before it reaches ChatGPT, Claude, and Gemini. Deploys via Intune in 10 minutes.
Operator & company
Company
- Team
VC / larger team
- Founded
Jan 2026
- HQ
United Kingdom
Operating model
- Business model
Saas
- Platform
Browser extension
- Audience
Ops Finance
- Payments
Stripe
Product channels
Builder strategy
ProvenRadar analysis
- Strategy Type
- Niche Specialist
- Stage
- Vc Growth
- Effort
- Small Team
Commercial cues
- Model
- subscription
- Free tier
- Yes
- Trial
- 14 days
Pricing strategy
- • Tiered audit log retention aligns with varying compliance requirements.
- • 14-day trial lowers adoption risk.
About PromptDuty Expand
PromptDuty provides a browser extension designed to protect sensitive data from leaking into AI chatbots. It serves Microsoft 365 businesses, offering real-time PII detection and data masking for popular LLMs such as ChatGPT, Claude, and Gemini.
The product serves as a specialized product for AI data protection, addressing compliance concerns like GDPR and HIPAA. Its easy deployment via Intune helps IT administrators quickly secure their Windows environments, providing granular control over how employees interact with AI tools and preventing accidental data exposure.