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 ...

In an attempt to block email spoofing attacks on yahoo.com addresses, Yahoo began imposing a stricter email validation policy that unfortunately breaks the usual workflow on legitimate mailing lists.

The Keep Aware threat research team recently observed a phishing incident that involved leveraging legitimate infrastructure, precision email validation, and evasive delivery techniques. This attack ...