Elusive Hacker (Ex)

Source: Starfinder Core Rulebook p.97

Your hacking skills make your code incredibly difficult for countermeasures to pin down. Whenever you would trigger a system's countermeasure while hacking the system, there is a 50% chance that you manage to elude the countermeasure and it doesn't trigger. You still haven't disarmed the countermeasure, and it might trigger in the future.