"...will also disrupt operations level communication between KGB, police and presidential security units..."
Unless they have dedicated, completely separate communication lines for the security, army and the president...
The military uses it's own relay network, and will of course be largely unaffected. The military was also least involved in the crackdown, with an attempt to involve paratroops in Brest two nights ago. The response was apathetic and they didn't leave their trucks.
Police and KGB use packet switching network at levels beyond tactical, and it piggybacks on civilian infrastructure.
Police and KGB use packet switching network at levels beyond tactical, and it piggybacks on civilian infrastructure.