The Zeus botnet is now using an unpatched flaw in Adobe’s PDF document format to infect users with malicious code, security researchers said today. The attacks come less than a week after other ...

The authors of the GameOver Zeus malware are taking a new approach to avoiding detection: encryption. According to a blog posted Sunday by researchers at Malcovery Security, the new approach could ...

About two-thirds of malicious Web activity can be traced back to botnets and exploit code built using popular attack toolkits like MPack and Zeus sold in the underground economy, according to a new ...

Researchers have revealed the existence of a botnet based on the Zeus banking Trojan that is being sold in underground forums. The source code of the Zeus banking Trojan was leaked in 2011. Multiple ...