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Review
Review clues, not a safety verdict
What we check
Detection checklist
- Very small text
- Text that blends into a flat background
- Hidden HTML or off-page PDF text
- HTML text covered by another element
- PDF text with little or no matching visible image
- PDF text beneath an opaque painted area
- Invisible and control characters
- Mixed scripts and character variants
- Escaped character codes
- Instructions aimed at an assistant
- Requests to disclose data or act
- Readable encoded text
- Clues in extra document fields
- PDF text and OCR disagreement
Matches need context. No findings does not establish that a document is safe. Read the guide.