Tag
Encryption
7 posts
PDFs and Zero Trust Document Security
Zero Trust is the security model that replaced the old perimeterbased approach. Instead of "trust everything inside the network, distrust everything outside", Z
How to Detect Tampered PDFs: Signs, Tools, and Forensics
A PDF that has been altered after being shared, signed, or archived can have legal, financial, or operational consequences. Detecting tampering is sometimes obv
PDF Permissions Explained: Print, Copy, Edit, and Why They Are Advisory
When you encrypt a PDF, your tool usually offers checkboxes: allow printing? allow copying? allow form filling? allow modifications? These are PDF permissions,
AES-128 vs AES-256 for PDF Encryption: What the Difference Actually Means
When you encrypt a PDF, your tool usually offers a choice between AES128 and AES256. Pick the bigger number and move on, right? Mostly yes, but the choice has m
PDF Encryption Explained: AES, Passwords, and Permissions
PDF encryption is one of those features everyone uses occasionally but few understand well. The result is files that feel secure but aren't, or files that are f
How to Remove a Password from a PDF
Passwordprotected PDFs are useful for security, but there are plenty of legitimate reasons you might need to remove that protection, like when a client sends yo
How to Password Protect a PDF for Free
PDFs are the standard for sharing final documents, but sometimes they contain sensitive informationfinancial data, personal details, or confidential business pl