A technology that makes it possible to identify who has published a piece of software and verify that it has not changed since publication.

A technology used by Microsoft Internet Explorer to verify that downloaded software (such as an ActiveX control) came from a reputable source. Downloaded files can be verified because they are digitally signed by their creators.

Authenticode lets a corporate administrator preconfigure security zones, preset ratings and customize certification authorities. The administrator can also set system policies and restrictions to control whether users can modify their security settings.