A new piece of malware which disguises itself as a PDF download and could give hackers remote access to a computer has been discovered as a potential threat to Mac users. The trojan, identified as ...

Ransomware attackers targeting a Fortune 100 company in the finance sector used a new malware strain, dubbed PDFSider, to deliver malicious payloads on Windows systems.

Computer malware is every bit as scary as it sounds. Fortunately, when you understand what it is and how to prevent it, your computing experience becomes much less stressful. So, what is malware?