Test the Boundaries Safely

Every PII detection system has limits. Understanding them helps you plan for real-world FOI processing.

Safe to explore: These challenges won't break anything. You can always try again with different inputs.

Challenges completed: 0 of 3

Boundary challenges

Zero PII Document

Safe to try This experiment won't break anything. You can always reset.

5 min

What you'll learn:

System handles clean documents gracefully

The Challenge

Upload a document with no personal information

Try this:

Try uploading a policy document or public information

Expected Behavior

System reports no PII found, document passes through unchanged

Business Implication

Not all documents need redaction - the system correctly identifies these

How to recover
Document is returned unmodified with a report confirming no PII

High PII Document

Safe to try This experiment won't break anything. You can always reset.

5 min

What you'll learn:

Dense PII documents require careful review

The Challenge

Upload a document with many personal details

Try this:

Try uploading a document with a contact list or personnel records

Expected Behavior

Many redactions applied, review report is extensive

Business Implication

High-PII documents need more review time

How to recover
Review the audit report carefully before release

Unusual Encodings

Safe to try This experiment won't break anything. You can always reset.

5 min

What you'll learn:

Character encoding affects detection accuracy

The Challenge

Upload a document with special characters or non-Latin text

Try this:

Try uploading a document with Welsh place names or accented characters

Expected Behavior

Some characters may affect detection accuracy

Business Implication

Review documents with special characters more carefully

How to recover
Use UTF-8 encoded documents for best results

What's Next?

Production Guidance

Learn what changes for FOI compliance integration.

View production guidance

Generate Evidence Pack

Create a committee-ready PDF documenting your exploration.

Create Evidence Pack