How to Redact Text in a PDF

Introduction

Redaction means obscuring or hiding text to conceal sensitive information that would otherwise be divulged.

Sensitive information may cover a broad spectrum of categories, which include:

• PII - Personally Identifiable Information
• PHI - Protected Health Information
• Trade secrets
• Intellectual properties
• Financial information

When developing a data privacy strategy, the data redaction is considered a key factor. However, there are two important challenges revolving around the redaction process:

• Identifying the sensitive information.
• Applying the appropriate redaction technique.

Redaction techniques

When dealing with a PDF ...