Spammers are turning to an old technique known as hailstorm to slip past anti-spam and anti-malware filters to deliver Dridex banking malware and Locky ransomware.

The banking Trojan TrickBot is evolving fast, according to researchers, and within weeks will expand its victim list and attack scope.

Researchers at Fidelis report there are similarities in coding and behavior between a new banking Trojan called TrickBot and the notorious Dyre malware.

Attackers behind the Dridex Trojan have narrowed their sights on banks based in the United Kingdom frequented by high-value business accounts, researchers claim. When a new version of the Trojan was released two weeks ago, it was promptly followed by a series of infection campaigns that focused on U.K. users. Limor Kessem, a cybersecurity evangelist...