Tag: black hat usa 2026
2 articles
CSS Attacks Break Webmail Defenses to Steal Passwords and Tokens
Researchers have discovered alarming proof-of-concept techniques that allow attackers to exploit styled HTML in emails, breaking through webmail defenses to steal passwords, tokens, and even hijack trusted actions. This vulnerability affects major email services including Outlook, Gmail, and Yahoo Mail, and public proof-of-concept code is readily available.
NatJack Attacks Exploit NAT Tables to Hijack TCP Sessions
Meet NatJack, a sneaky new attack that exploits NAT tables to hijack TCP sessions, spoof DNS, and more - and the surprising way it's putting your online security at risk. A security researcher just revealed the shocking details at Black Hat USA 2026.