
CISA Exposes Barracuda Email Security’s “Submarine” Backdoor Vulnerability
Malware “Submarine” Targets Barracuda Email Security Gateway Vulnerability IT security teams should be on high alert as a new and dangerous malware called “Submarine” exploits a zero-day vulnerability in Barracuda’s Email Security Gateway (ESG) appliances. This malware is being used by a threat actor known as UNC4841, who has been carrying out a relentless cyber…