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Encrypt PDFs for Secure Sharing | Rune

Encrypt PDFs for Secure Sharing | Rune

Learn how to encrypt PDF files for secure sharing. Protect confidential documents with strong encryption.

2 min read

Sending sensitive PDFs via email? Encryption ensures only intended recipients can access the content.

Understanding PDF Encryption

PDF encryption scrambles document content using a password. Without the correct password, the file is unreadable.

How It Works

  1. Your PDF content is encrypted using algorithms (like AES).
  2. A password becomes the decryption key.
  3. Opening the file requires entering the password.
  4. Correct password decrypts and displays the content.

When to Encrypt

Sensitive Content

  • Financial reports
  • HR documents
  • Medical records
  • Legal agreements

Compliance Requirements

  • HIPAA (healthcare)
  • GDPR (personal data)
  • SOX (financial)
  • Industry-specific regulations

Client Confidentiality

  • Client proposals
  • Contracts
  • Proprietary information

How to Encrypt PDFs

  1. Go to Rune's Protect PDF.
  2. Upload your document.
  3. Create a strong password.
  4. Apply encryption.
  5. Download the protected file.

Encryption Strength

Password Length Security Level
8+ characters Good
12+ characters Strong
16+ characters Very Strong
20+ characters Excellent

Add complexity with: uppercase, lowercase, numbers, symbols.

Sharing Encrypted Files

Do

  • Send password through a different channel
  • Use secure messaging for passwords
  • Confirm recipient received and can access

Don't

  • Include password in the same email
  • Use easily guessable passwords
  • Share password via unencrypted channels

Decryption Process

Recipients:

  1. Download the encrypted PDF.
  2. Open in any PDF reader.
  3. Enter the password when prompted.
  4. Access the content.

Conclusion

Encryption is essential for sensitive document sharing. Rune's Protect PDF provides strong encryption with simple controls.