Search for it. It is a HUGE topic. If you were in any position within IT I cannot imagine you have no idea what this is about.
I know there's a lot of hyperventilating out there.
I am in a position in IT where I have enough information and experience to want to see an authoritative source for an assertion that Microsoft has made it's desktop operating system functionally incompatible with and unusable in a secure environment.
Frankly, I don't believe you.