Microsoft Guidance for preventing, detecting, and hunting for CVE-2021-44228 Log4j 2 exploitation Microsoft’s unified threat intelligence team, comprising the Microsoft Threat Intelligence Center (MSTIC), Microsoft 365Defender Threat Intelligence Team, RiskIQ, and the Microsoft Detection and Response Team (DART), among others, have been tracking threats taking advantage of CVE-2021-44228, a remote code execution (RCE) vulnerability in Apache Log4j 2 referred to as “Log4Shell”. Owen Anderson12 December 2021