Barracuda fixes new ESG zero-day exploited by hackers

Barracuda, fixed a zero-day bug on December 21. The bug was used by hackers known as UNC4841 to exploit Email Security Gateway (ESG) appliances. The company released additional security updates the following day for compromised ESG appliances that were attacked with SeaSpy and Saltwater malware. Uncategorized Qilin Ransomware topped April 2025 with 45+ data leak … Continue reading Barracuda fixes new ESG zero-day exploited by hackers