Researchers at security firm Trend Micro say they have discovered Windows malware that functions both as ransomware and part of a botnet, distributing spam and also copies of itself to other computers.

Credential stuffing is stuffing up the financial services industry, with content attacks, malicious login attempts on the rise with 8.3 billion detected in a recent two month period alone.

Security vendor Palo Alto Labs has discovered two new variants of the Mirai and Gafgyt botnet that it says are targeting a flaw in the Apache Struts Web framework and one in SonicWall's Global Management System.