North Korean operatives have infiltrated hundreds of Fortune 500 companies

North Korean nationals have infiltrated the employee ranks at top global companies more so than previously thought, maintaining a pervasive and potentially widening threat against IT infrastructure and sensitive data.

“There are hundreds of Fortune 500 organizations that have hired these North Korean IT workers,” Mandiant Consulting CTO Charles Carmakal said Tuesday during a media briefing at the RSAC 2025 Conference. 

“Literally every Fortune 500 company has at least dozens, if not hundreds, of applications for North Korean IT workers,” Carmakal said. “Nearly every CISO that I’ve spoken to about the North Korean IT worker problem has admitted they’ve hired at least one North Korean IT worker, if not a dozen or a few dozen.”

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