
Hidden Threats: Investigating the Chinese APT Behind the Critical Barracuda ESG Zero-Day
Chinese APT Behind Recent Barracuda Networks Email Security Gateway Compromise Overview Researchers have identified a newly discovered Chinese Advanced Persistent Threat (APT) group as the perpetrator behind the recent compromise of Barracuda Networks email security gateways (ESGs). The APT group, known as UNC4841, used three different backdoors to exploit security vulnerabilities in these edge devices….