HAFNIUM: Advice About the New Nation-State Attack

On March 2nd, zero-day vulnerabilities affecting Microsoft Exchange were publicly disclosed. These vulnerabilities are being actively exploited in the wild by HAFNIUM, a threat actor believed to be a nation state.

For more details about HAFNIUM, and advice on how you should respond, watch this video from Mat Gangwer, the head of the Sophos Managed Threat Response (MTR) team.

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