A long time ago
Most of these examples are earthbound, but security pros love space stuff just as much as the rest of us. BeyondTrust's Haber says that for him, "R2D2 himself is the ultimate hacker. In Star Wars Episode IV, he has allegiance to the Rebels, has Imperial access codes, and hacks the Death Star to show detailed blueprints on how to turn of the tractor beam and run privileged commands to shut down the trash compactors. As far as Imperial security goes, R2D2 owns the death star IT systems in a few minutes and no one is aware of his intention." Having physical access to the systems, plus being a computer yourself, doesn't hurt things, we guess!