Log4j is used by millions of websites and apps — and the software’s flaw potentially allows hackers to take control of systems by typing a simple line of code, according to cybersecurity experts.

Log4j is a programming code written in Java computer language. It was created by Apache Software Foundation volunteers to run on different platforms — including macOS, Windows and Linux.

"With Log4j, preventing the entire class of bugs that cause it is going to be hard with today's technology, but stuff like fuzzing and safe-by-default language/library design can help a lot.

The disclosure of the Log4j vulnerability has been met with a herculean response from security teams. But even still, the likelihood of ransomware attacks that trace back to the flaw is high ...

Peter Membrey, chief architect of ExpressVPN, remembers vividly seeing the news of the Log4j vulnerability break online. “As soon as I saw how you could exploit it, it was horrifying,” says ...

Since log4j is free and widely trusted, companies large and small have been employing it for all kinds of stuff. The irony, of course, is that this bug-checking tool now has a bug.

Log4j is a critical threat, and no organization should assume it is safe. Therefore, determining exposure to it and fixing vulnerabilities should be a high priority for most security teams.

Log4j postmortem: Developers are taking a hard look at software supply-chain security gaps Your email has been sent With so many security and developer teams doing postmortems on the Log4j ...

The Department of Homeland Security’s top cyber official on Saturday urged government and private-sector organizations to address a critical flaw in widely used software that hackers were ...

A second vulnerability involving Apache Log4j was found on Tuesday after cybersecurity experts spent days attempting to patch or mitigate CVE-2021-44228. The description of the new vulnerability ...