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

A new email attack scenario nicknamed ROPEMAKER allows a threat actor to change the content of emails received by targets via remote CSS files. ROPEMAKER — which stands for Remotely Originated ...

Cybercriminals have been spotted using HTML/CSS and Unicode tricks to bypass tools meant to block malicious emails, marking a new twist in phishing techniques, security researchers report. Attackers ...