Lorenz Ransomware Abusing Mitel VoIP Systems to Violate Business Networks

The operators behind the Lornenz ransomware operation have been observed to exploit a now-patched critical security flaw in Mitel MiVoice Connect to gain a foothold in target environments for subsequent malicious activity. “The initial malicious activity came from a Mitel device sitting on the network perimeter,” researchers at cybersecurity firm Arctic Wolf said in a …

Lorenz Ransomware Abusing Mitel VoIP Systems to Violate Business Networks Read More »