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.

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

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 ...

The bug, known as Log4Shell, was in the ubiquitous open-source logging library Log4j and exposed a wide range of applications and services—from popular consumer and enterprise platforms to ...

The Apache Software Foundation's log4j logging library is one of the better logging systems around. It's both easier to use and more flexible than Java's built-in logging system. This article ...

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.