Friday, December 10, 2021, a critical zero-day vulnerability was found in the Apache Log4j Java-based logging library. CVE- 2021-44228, now known as Log4Shell, is an unauthenticated remote code execution (RCE) vulnerability that allows for complete system takeover on systems with Log4j 2.0-beta9 up to 2.14.1. Since the vulnerable log4j library is embedded in thousands of applications, a vast number of organizations are vulnerable to attack and may not have a means of determining their exposure. If your organization is vulnerable, an attacker can very easily compromise the vulnerable systems and gain control of your network.