Log4Shell, an internet vulnerability that affects millions of computers, involves an obscure but nearly ubiquitous piece of software, Log4j. The software is used to record all manner of activities ...

Cybersecurity professionals and IT vendors spent the weekend scrambling to shore up systems before hackers exploited a zero-day vulnerability in the popular Apache Log4j open source logging tool.

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. White House responds to Trump-Putin documents ...