Intellipedia. Please look it up before making claims based on your intuition. You're essentially wrong as in none of what you just said is true.

"Some view it as risky because it allows more information to be viewed and shared;[17] but according to Michael Wertheimer, McConnell's assistant deputy director for analysis, it is worth the risk. The project was greeted initially with "a lot of resistance," said Wertheimer, because it runs counter to past practice which sought to limit the pooling of information.[18] He said there are risks in everything everyone does: "the key is risk management, not risk avoidance." Some encouragement has been necessary to spur contributions from the traditional intelligence community.[6] However, he said the system appeals to the new generation of intelligence analysts because "this is how they like to work" and "it's a new way of thinking."[6][18]"

Ask anyone with any clearance. There are plenty of ways to access it (seriously, don't reply if you haven't at least looked it up, I know you didn't because you'd see you're wrong). It's even possible he used a VPN or a private tunnel. When he left my room, my friend and I thought he just left because we were in the middle of arguing. The last thing I said was,

"You don't understand, even if the NSA is as great and advanced as you think, it would take an impossible number of computers to crack RSA."

And he left, came back in and showed me. He was wrong in that they didn't crack the cipher or the prime numerology behind it, but they DID circumvent it.

I'm not looking to argue, there is nothing in the world you could say to convince me it didn't happen. And again, what you just said is fundamentally incorrect. MANY professions involving classified information allow you to access that information from VARIOUS places including your own home network. You can choose not to believe me but don't let it be for the made up reasons you just came up with right now.

A cell phone is a computer, that shouldn't even be a stipulation and especially for only classified material. A cellular network is a network, if intellipedia accessible from outside of an intranet or any internal network then it is obviously accessible from a phone or cellular network. Neither of those statements make this unlikely.