Unhackable

Origin

- + hackable

Full definition of unhackable

Adjective

1. (computing) Not hackable; that cannot be hacked or broken into.
• January 8, 2007, Seth Schiesel, For Parents, New Ways to Control the Action, With Vista, parents for the first time have powerful, easy-to-use, practically unhackable tools to control and monitor just about everything their children do with the home computer, online and off.

Synonyms

• impregnable
• invulnerable