A method includes detecting a storage device at a protected node and determining whether the storage device has been checked-in for use with at least the protected node. The method also includes granting access to the storage device in response to determining that the storage device has been checked-in for use with at least the protected node. The method further includes blocking access to the storage device in response to determining that the storage device has not been checked-in for use with at least the protected node. The method may also include determining whether a file on the storage device has been checked-in for use with at least the protected node. Meaningful access to the file is granted or blocked in response to determining that the file has or has not been checked-in for use with at least the protected node.