System, method and program product to determine a time interval at which to check conditions to permit access to a file

摘要

System, method and program for controlling access to a file within a computer. A predetermined value of an attribute of the computer is identified. A current value of the attribute is determined. Periodically, a determination is made if the predetermined value matches the current value. If so, access to the file is allowed. If not, access to the file is prevented. The period at which the determination is performed is based on a type of the attribute. The attribute of the computer can be a physical location of the computer, a type of network connection of the computer, or a type of application program resident in the computer.