Smaller corporations have it easier, IF they took IT Security serious. For the simple fact, that there are just a lot less entry points and way less whack amole playing.
And Microsoft never took security as serious as they should have.
Edith: And I highly doubt, we'll see a substantial change on Microsoft's side. 1.: There's less Money to be made. 2.: In some ways, their hands are tied because of the still ongoing Patriot Act/USA Freedom Act (which is a bullshit name) or rather the safe harbor stuff.