A method includes: detecting, by a computing device, connection of a universal serial bus device to a computer; determining, by the computing device, that the computer is in a locked mode; detecting, by the computer device, input to the computer within a predetermined time of detecting the connection; determining, by the computing device as a result of the computer being locked and detecting the input, that the input is a threat to the computer; creating, by the computing device, a temporary virtual environment; receiving, by the computing device, the input into the temporary virtual environment; processing, by the computing device, the input in the temporary virtual environment; and recording, by the computing device, information related to the input.