Prompt Guard

Stop data leaks. Not productivity.

Enterprise data protection for every AI tool. Sensitive information is detected and protected before it ever leaves your organization — without blocking access to AI.

Instant detection15+ sensitive data categoriesPrivacy-firstShadow AI discovery
💬

Employee Prompt

Any AI conversation

🛡️

Prüfer

Invisible protection

🔬

Sensitive Data Scan

Instant detection

CleanNo issues found
BlockedSensitive data detected
🔐MaskedData redacted safely
🛡️

ChatGPT

Protected

Gemini

Protected

Claude

Protected

Copilot

Protected

Grok

Protected

Perplexity

Protected

One solution. Every AI tool covered.

Deploy once and Prüfer protects every AI tool your team uses — ChatGPT, Gemini, Claude, Copilot, and more. No network changes, no disruption.

🔌Deploy in minutes
🌐Works in the background
🔒Your data stays private
📡Find hidden AI usage

See it working. In real time.

Every prompt is analyzed instantly. Sensitive data — social security numbers, credit cards, medical records, API keys — is detected and protected before it ever reaches an AI tool.

15+ categories of sensitive data

PII, healthcare, credentials, financial, legal, and more

Multi-layered analysis

Pattern recognition, language detection, and contextual understanding

Flexible response

Block, mask, or report — configurable per category

prompt-guard-scanner

Input prompt

> My SSN is 425-31-8897 and my credit card is 4532-0151-1283-0366

Entities detected

SSN425-31-8897
Credit Card4532-0151-1283-0366

blocked

Critical PII — prompt rejected

<2ms

Block AI tools vs Guard the prompts

❌ Block Access

Employees use personal devices anyway
Innovation killed at the source
Zero visibility into data exposure
Shadow AI usage increases 3x

✅ Prompt Guard

Allow AI — govern the content
Block only sensitive prompts
Full audit trail with privacy tiers
Shadow AI → managed AI

Protect every AI prompt. Today.

15+ categories of sensitive data. Instant detection. Privacy-first. No disruption to productivity.