12 March 2021, 8:13 pm EST By Microsoft Exchange Hack Sparks Chaos for Users with Unpatched Servers ( Screenshot From Pxhere Official Website ) Microsoft has recently issued an alert that hackers are using a certain strain of ransomware known as the DearCry and are now targeting those users with unpatched Microsoft Exchange servers. The target as of the moment is the unpatched servers exposed to the four different vulnerabilities that were reportedly being exploited by the suspected Chinese government hackers. Microsoft Exchange hack 2021 The company is now warning its Exchange customers yet again to apply the new updated emergency patches that the company had released just last week aimed to cover the critical flaws affecting the on-premise Microsoft Exchange email servers. Microsoft previously urged its customers to install the patches as soon as they were out back on March 2 due to the main risk that there could be more cybercriminals as well as state-backed hackers that could possibly exploit the hidden flaws within the upcoming weeks and months.