The person is your employee; you entered into a contract with that employee and the computer and your network is not just your property anymore, but tools provi

The person is your employee; you entered into a contract with that employee and the computer and your network is not just your property anymore, but tools provided to the employee to be used by said employee according to the contract. At this point, contract law, labor law, etc. can constrain what you can do pertaining to your employee's use of the computer and the network, especially when the constraints exist to safeguard fundamental rights.