The Log4Shell vulnerability in the widely-used Apache Log4j package represents a significant security event, with over a million attack attempts recorded shortly after its disclosure, and its full impact may not be understood for years. This incident highlights the need to reassess software development, testing, and release methodologies, emphasizing the importance of understanding vulnerabilities to select the right tools for mitigation. The JFrog Security Research team responded by creating open-source Log4j scanning tools designed to detect vulnerabilities in source code and binaries, opting for passive scanning methods to avoid risks associated with active scanning. Their tools focus on identifying vulnerable code and assessing how Log4j is used within applications, aiming to help developers understand their risk and verify mitigations. The approach deliberately avoids relying solely on build dependencies and instead uses code classes for a more comprehensive analysis. As new vulnerabilities emerge, JFrog continues to update their tools to aid developers in quickly identifying and addressing potential Log4Shell exploits.