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Cybersecurity

Companies Rush to Fix Software Exploit After U.S. Warning

  • Exploit in Log4j program called most severe in recent years
  • Microsoft, Cisco, VMWare products among those affected by bug
RF Keyboard computer

Photographer: Oliver Nicolaas Ponder/EyeEm/Getty Images

Major global companies are facing pressure to fix what experts are calling one of the most serious software flaws in recent memory. 

The flaw in the Log4j software could allow hackers unfettered access to computer systems and has prompted an urgent warning by the U.S. government’s cybersecurity agency.