This is what bothers me the most:<p><i>While it's a given that the NSA cannot monitor the entire Internet on its own and that it needs intelligence from companies, Alexander has questioned whether companies have the capacity to protect themselves. "What we see is an increasing level of activity on the networks," he said recently at a security conference in Canada. "I am concerned that this is going to break a threshold where the private sector can no longer handle it and the government is going to have to step in."</i>