Companies and governments scrambled this past weekend to patch a major bug in a piece of popular Internet software that security experts warned could grant hackers access to networks.
Cybersecurity researchers said the bug, hidden in Log4j server code, is one of the most significant vulnerabilities in recent years due to its use on corporate networks; hackers began exploiting it on Friday, and Check Point Software Technologies observed more than 100,000 attempts over roughly 24 hours.
Apache Software Foundation’s Ralph Goers said users must upgrade to correct the bug.
The U.S. Department of Homeland Security's Cybersecurity and Infrastructure Security Agency urged corporate action, while German and Australian agencies issued similar warnings.
From The Wall Street Journal
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