Computer device and method for isolating untrusted content

摘要

A computer system and method are provided to intercept a task from a primary user account 121 prior to execution of the task by the computer device 200, where the task relates to an untrusted content. A task isolation environment 350 is provisioned for executing the task, including programmatically creating a secondary user account 121b on the computer device. A local printer and/or a network printer which are connected to the primary user account 121 are discovered and automatically provisioned in the secondary user account 121b. Access to the or each printer 500 is controlled by an agent 300 on the computer device 200.