1. A method for protecting contents of a computing device, the method comprising: receiving a request to perform an action associated with a content item included in an image; accessing security level information associated with the content item, the security level information comprising an integrity check action and a resultant behavior associated with the content item; performing the integrity check action associated with the content item; and performing the resultant behavior associated with the content item responsive to the integrity check action indicating that the action requested cannot be performed.