New research shows that up to a half of all HTML email attachments are malicious, and not just because of a few massive campaigns.

A Security Problem HTML-based email can be susceptible to viruses, because HTML supports JavaScript, and JavaScript is a language that activates functions.

Google is bringing AMP, its cut-down version of HTML, to email. Starting today, Gmail on the Web will be able to support embedded AMP content, with support rolling out to mobile clients later ...

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

Always test your pages using Google’s own tools and third-party resources to view the rendered HTML to make sure all your content is showing up.

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