Certainly true, since Dropbox doesn't work on Windows XP anymore.

In the parent I described a system which would be able to communicate through those restrictions to another compromised host (remember we're assuming everything is compromised for the sake of this article, which actually seems like a good assumption now).

Networks where security is taken seriously implement data diodes, and this attack vector is mitigated.

> remember we're assuming everything is compromised

I think Bloomberg (and all related) web servers displaying the article are compromised and they're leaving out critical facts the point the finger elsewhere.