[MrMorden]

That would be covered by policy controls, not technical ones—it's the same issue as someone taking pictures of the screen with their personal phone. You'd need to address the actual issue that's causing people to do that (ill-thought-out policies, employee actually working for $INTELLIGENCE_AGENCY, employee enjoys espionage,…).

[kuschku]

A recent example would have been the data that was stolen from Google and given to Uber – the employees who were qualified enough to design their own LIDAR chips and boards would equally be qualified to circumvent any such protections.

[mentat]

And that's how / why the legal system is involved and it's cost them their job. Security isn't just preventing something from ever being possible.