Attackers are infecting computers with a new ransomware program called RAA that's written entirely in JavaScript and locks users' files using strong encryption.

The SVG files, according to VirusTotal, are distributed via email and designed to execute an embedded JavaScript payload, ...

A global phishing campaign has been identified using personalized emails and fake websites to deliver malware via UpCrypter ...

UpCrypter phishing since Aug 2025 uses fake voicemails, RAT payloads, and anti-analysis, hitting global industries.

Attackers frequently send malicious JavaScript files through bogus emails. It's easy to block these files from reaching a hapless user. Here's how.