PDF, Flash, and Java: the Most Dangerous File Types Just about everyone uses Adobe's PDF format to transmit important documents, and websites that don't use at least a little Java aren't so common.

Adobe Flash, Adobe Reader, and Oracle’s Java. All three are virtually ubiquitous on modern-day PCs, and all three provide handy-dandy functionality—functionality that, in the case of Flash and Java, ...

Pitted against Microsoft's efforts to crush Flash using its own copycat Silverlight platform, open source projects seeking to duplicate Flash for free, and Apple's efforts to create a mobile platform ...

Adobe's scheduled October update for its Acrobat and Reader PDF software addresses 85 vulnerabilities, including dozens of critical flaws that allow arbitrary code execution. The patches also address ...

It's not clear how many people were compromised by this hacking campaign, but a security researcher said the hackers were targeting victims since at least November 2025.