Across the last year, where have we most often leaked client identifiers when sharing documents externally—visible tex…
Open the PDF you want to redact in Adobe Acrobat Pro.
Go to Tools and select Redact.
Click Find and Remove Text.
Enter the word, phrase, or pattern you want to search for in the search box.
Choose the location to search (e.g., current document or all PDFs in a folder), then click Search.
Review the search results and check all instances you want to redact, or use Select All to mark every occurrence.
Click Mark for Redaction to mark the selected instances.
Click Apply Redactions and confirm when prompted to permanently remove the marked content.
CautionRedactions are permanent and cannot be undone after saving.
Best practiceYou can customize the appearance of redaction marks before applying them by adjusting settings in the Redact tool.
Best practiceAlways double-check your search term and results to ensure all sensitive information is covered, especially with patterns like SSNs.
Save the redacted PDF with a new file name.
You can use the Find Text and Redact feature to quickly locate and mark all instances of sensitive words or patterns for redaction throughout your document.
This runs in the Acrobat app - there is no separate API for this task.
Redacting content permanently removes the text or image data from the PDF, making it impossible to recover. Drawing a black box only covers the content visually; the actual text remains underneath and can be copied and pasted, revealing the sensitive information. Always use the Redact tool for true security.
It is important to redact client identifiers to protect privacy. Sharing documents with client names or numbers can lead to information leakage. Redacting helps keep sensitive data private and secure, following legal and ethical rules for data protection.
Yes, Acrobat Pro can help with many account numbers. You can use its pattern-based auto-redaction feature. This tool looks for specific patterns, like how account numbers are usually written, and redacts them automatically. After, it's good to have another person check a few random pages to be sure.