Really depends on how everything is designed. Looking at the ship, it’s definitely not the present or the near future.

Look how advanced our AI is getting. So imagine the capabilities it will have in the future.
For instance, future spaceships might implement advanced AI-controlled monitoring systems that detect and neutralize potential threats, minimizing the risk of a meltdown even with the interference of a spy. Bypassing this would just take more than a single spy, but a whole cyberattack. (Which anything can be a victim of)