Log4j vulnerability (noun) [Word Notes]

Please enjoy this encore of Word Notes.

An open source Java-based software tool available from the Apache Software Foundation designed to log security and performance information. 

CyberWire Glossary link: ⁠https://thecyberwire.com/glossary/log4j⁠

Audio reference link: “⁠CISA Director: The LOG4J Security Flaw Is the ‘Most Serious’ She’s Seen in Her Career⁠,” by Eamon Javers (CNBC) and Jen Easterly (Cybersecurity and Infrastructure Security Director) YouTube, 20 December 20 2021.