Tropic Trooper used trojanized SumatraPDF and GitHub C2 in 2024 to deploy AdaptixC2, enabling covert VS Code tunnel access.

Firefox 150 adds page reordering, exporting, and image saving to its built-in PDF viewer, plus split-view improvements and ...

Mozilla has rolled out Firefox 150 with expanded PDF editing features, improved split-screen navigation, and fixes for dozens of security vulnerabilities. The update also brings enhancements to ...

Rendering isn’t always immediate or complete. Learn where no-JavaScript fallbacks still protect critical content, links, and ...

Adobe patches a critical PDF flaw exploited for months, allowing attackers to bypass sandbox protections and deliver malware. Users urged to update now.

Adobe has released a fix for an Acrobat and Reader zero-day that attackers had been exploiting for months. The patch, shipped on April 11, addresses CVE-2026-34621, a critical vulnerability in Acrobat ...

Researcher Haifei Li, founder of the exploit detection platform EXPMON, discovered a sophisticated attack that uses PDF files to spy on and potentially ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. This voice experience is generated by AI. Learn more. This ...

A cybersecurity researcher is warning of a zero-day vulnerability in Adobe Reader that allows attackers to steal local files and potentially take full control of a victim’s system – simply by getting ...

We need to be upfront with you. The Reader is free. Producing it isn’t. And without your support, we can't continue. So we need you to chip in, even if it’s just a few bucks. The average donation is ...