Where people use software, hackers will continue to look for vulnerabilities. And every once in a while, a security breach comes to light, which shakes the world to its foundations. On Friday, December 10, 2021, a leak was added to the illustrious list of predecessors, this time a leak in Apache Log4j. The vulnerability has been designated CVE-2021-44228 and is also known as Log4Shell or LogJam. The Apache Log4j 2 tool is part of the open-source Apache framework commonly used for logging Java applications.