MS Exchange HAFNIUM, how to remove!
UPDATE 11/11/2021 link to november patch 2021 the last few days lot of people around the globe, had some issues with patching and securing Microsoft Exchange Onpremis servers. The “0day” exploit HAFNIUM was available for exchange 2010 – 2019, so every exchange admin who published exchange was vulnerable. But that is not the only problem. …