• By The Financial District

Experts Warn Log4j Security Flaw Could Shatter The Entire Internet

A critical flaw in widely used software has cybersecurity experts raising alarms and big companies racing to fix the issue, Jennifer Korn and Sean Lyngaas reported for CNN Business.

Photo Insert: Log4j is one of the most popular logging libraries used online.

The vulnerability, which was reported late last week, is in Java-based software known as "Log4j" that large organizations use to configure their applications -- and it poses potential risks for much of the internet.

Apple's cloud computing service, security firm Cloudflare, and one of the world's most popular video games, Minecraft, are among the many services that run Log4j, according to security researchers.

Jen Easterly, head of the Department of Homeland Security's Cybersecurity and Infrastructure Security Agency (CISA), called it "one of the most serious flaws" seen in her career.

In a statement on Saturday, Easterly warned: "a growing set" of hackers are actively attempting to exploit the vulnerability. As of Tuesday, more than 100 hacking attempts were occurring per minute, according to data this week from cybersecurity firm Check Point.

"It will take years to address this while attackers will be looking... on a daily basis [to exploit it]," said David Kennedy, CEO of cybersecurity firm TrustedSec. "This is a ticking time bomb for companies."

All the news: Business man in suit and tie smiling and reading a newspaper near the financial district.

Log4j is one of the most popular logging libraries used online, according to cybersecurity experts. Log4j gives software developers a way to build a record of activity to be used for a variety of purposes, such as troubleshooting, auditing, and data tracking. Because it is both open-source and free, the library essentially touches every part of the internet.

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