You can password protect a PDF on a Mac computer using the Preview app to secure files that contain sensitive information.

PDF files are widely used by businesses because of their broad compatibility, but another crucial component of PDF files are their security measures. If you're relying on PDF files for important ...

The widely used PDF format supports data-saving encryption, allowing you to protect sensitive documents so that only those with the correct password can access them. In the old days, you’d need a ...

Cyber-attackers frequently trick users into opening PDF files containing malicious code. Once opened, the code triggers security flaws in Adobe Reader and Acrobat and compromises the victim's entire ...

A new PDF phishing kit is being sold on the dark web, promising customers advanced features, a simple interface, and ...

PDF files offer advantages such as convenience and portability. This file format also allows your small business to create "read only" PDF files. This means that other users will not be able to change ...

They're also one of the easiest files to secure and encrypt in case you're sending sensitive information. The best part? You can turn just about any text document or image into a PDF. Let's look at ...

Sometimes when opening a PDF file, it will give off a security warning. The warning is displayed for PDF files that are transferred or run programs and macros that can be harmful to your computer.

PDF files can be weaponized by malicious actors to steal Windows credentials (NTLM hashes) without any user interaction, and only by opening a file, according to Assaf Baharav, a security researcher ...