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.

Attackers using the Snake keylogger malware for Windows are emailing malicious PDFs with embedded Word documents to infect victims' PCs and steal information. Malicious PDFs are an unusual tool to use ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Thorin Klosowski There’s no one-size-fits-all solution to computer security, ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Thorin Klosowski Locking ...

Strange pop-ups, unexpected apps and a mind-of-its-own webcam? Here’s how to tell if your computer has been hacked—and what to do about it. Internet users with lackluster security aren’t the only ones ...

The internet offers a great variety of free courses about cybersecurity topics that are available in English and on various platforms. If you are on the lookout for an opportunity to learn more about ...

Privacy Please is an ongoing series exploring the ways privacy is violated in the modern world, and what can be done about it. Cooper Quintin, a security researcher ...