Here’s what to know about the exploit and log4j. Log4j is an open-source tool used by Java programs for logging, or creating a record of everything an application has done.

Log4j is a programming code written in Java and created by volunteers within the Apache Software Foundation to run across a handful of platforms: Apple's macOS, Windows and Linux.

News about a critical vulnerability in the Apache Log4j logging library broke last week when proof-of-concept exploits started to emerge on Thursday.

The Apache Log4j vulnerability has impacted organizations around the globe. Here is a timeline of the key events surrounding the Log4j exploit as they have unfolded.

A single flaw in Apache Log4j spiraled into one of the most dangerous exploits ever found. Experts warned it could have taken down the entire internet.

Log4j, an open source project, allows developers to control which log statements are output with arbitrary granularity. It's fully configurable at runtime by using external configuration files ...

Log4Shell is the latest hacker exploit rocking the internet, and it’s arguably the worst yet. The vulnerability is in an obscure piece of software used on millions of computers.