1. A method of reducing risk associated with a computer that may be infected with a malicious application comprising: receiving, from the computer over a network, first presence data indicating a first interactivity level of more than two interactivity levels of a logged in user of the computer; receiving a first network request by the logged in user from the computer for first resources external to the computer; executing instructions on computer hardware to determine a first resource control policy to apply to the first network request by the logged in user for the first resources external to the computer based on the first interactivity level; executing instructions on computer hardware to apply the first resource control policy to the first request for resources; receiving, from the computer over the network, second presence data indicating a different second interactivity level of the more than two interactivity levels of the logged in user of the computer; receiving a second network request by the logged in user from the computer for second resources external to the computer; executing instructions on computer hardware to determine a second resource control policy to apply to the second network request by the logged in user for the second resources external to the computer based on the second interactivity level; and executing instructions on computer hardware to apply the second policy to the second request.