Microsoft warns that hackers linked with the governments of China, Iran, North Korea and Turkey have moved to exploit a critical flaw in software used by big tech firms around the world.
Mandatory Credit:	Drew Angerer/Getty Images North America/Getty Images

Microsoft warns that hackers linked with the governments of China, Iran, North Korea and Turkey have moved to exploit a critical flaw in software used by big tech firms around the world.
Mandatory Credit: Drew Angerer/Getty Images North America/Getty Images

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Microsoft warns China, Iran, North Korea and Turkey are exploiting recently revealed software vulnerability

Hackers linked with the governments of China, Iran, North Korea and Turkey have moved to exploit a critical flaw in software used by big tech firms around the world, Microsoft warned late Tuesday.