This story doesn't sound plausible on two fronts: 1. Would the "system used by the White House Military Office for nuclear commands" really be externally access

This story doesn't sound plausible on two fronts: 1. Would the "system used by the White House Military Office for nuclear commands" really be externally accessible - directly or indirectly? 2. I did a Google News search on this and didn't find any other sources. News scoops don't last that long on the internet.