Log4Shell, a critical security flaw in Log4j, an open source logging software used in everything from online games to enterprise software and cloud data centres, has security teams all over the world scrambling to fix it.
Because of its widespread use, the internet has been put on high alert as hackers increase their efforts to target weak systems.
What exactly is the Log4j vulnerability?
The vulnerability, also known as Log4Shell, was first discovered by LunaSec researchers.