New Wave of Targeted Hacking Campaigns and Ransomware Attacks Exploiting Microsoft Exchange Server Vulnerabilities
Multiple threat actors, including Hafnium, LuckyMouse, Calypso, Winnti, Bronze Butler, Websiic, Tonto, Mikroceen, and DLTMiner, are actively targeting four zero-day Microsoft Exchange vulnerabilities (CVE-2021-26855, CVE-2021-26857, CVE-2021-26858, CVE-2021-27065) in their targeted [more]
