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Data Security & Privacy

PII Detection & Redaction

Identify personal information across document sets including SSNs, financial data, health information, and contact details for systematic redaction.

Time Saved

70-85% reduction in PII identification

Accuracy

Comprehensive detection (verify critical documents)

Category

Data Security & Privacy

The Problem

  • PII scattered across documents
  • Multiple data types to identify
  • Risk of missed redactions
  • Volume of documents to process
  • Compliance requirements

How Claude Helps

Claude identifies PII across documents for redaction. It detects multiple PII types, identifies locations in documents, suggests redaction approach, batch processes document sets, and generates PII reports.

Step-by-Step Workflow

1

Define PII categories

Specify which types of personal information to detect

2

Process documents

Claude scans document set for all PII patterns

3

Review detections

Verify identified PII and check for false positives

4

Apply redactions

Use redaction tools with Claude's detection output

5

Verify completeness

Run final check and generate compliance reports

Example Prompt

Identify PII in this document set for redaction:

PII CATEGORIES TO DETECT:

IDENTIFIERS
- Social Security Numbers (XXX-XX-XXXX)
- Driver's license numbers
- Passport numbers
- Employee IDs

FINANCIAL
- Bank account numbers
- Credit card numbers
- Financial account numbers

CONTACT
- Home addresses
- Personal phone numbers
- Personal email addresses

HEALTH
- Medical record numbers
- Health conditions
- Treatment information

OTHER
- Dates of birth
- Biometric data
- Immigration status

FOR EACH DETECTION:
| Document | Page | PII Type | Content (partial) | Location |

REDACTION RECOMMENDATIONS:
- Full redaction vs. partial (e.g., last 4 digits)
- Replacement text
- Consistency across document set

COMPLIANCE NOTES:
- HIPAA implications
- State privacy law considerations
- Retention requirements

Generate PII detection report.

Frequently Asked Questions

How accurate is PII detection?

Claude catches most standard PII patterns. Always verify critical documents manually.

Can Claude apply redactions?

Claude identifies PII. Use document editing tools to apply actual redactions.

What about non-standard PII?

Define custom patterns. Claude will search for specified formats.

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