Wednesday, October 27, 2021

Critical Exchange Vulnerability: Quick Grab on Detection & Mitigation

Background:

Microsoft has detected multiple zero-day exploits on the on-premises version of the Microsoft Exchange Server (2013,2016, and 2019). Microsoft attributes this campaign with high confidence to HAFNIUM, a group assessed to be state-sponsored and operating out of China, based on observed victimology, tactics and procedures.

On March 2nd, 2021, Microsoft released a blog post that detailed multiple zero-day vulnerabilities used to attack on-premise versions of the Microsoft Exchange Ser…

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