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When you slowly turn on the MOSFET power dissipation will be huge for long time. You can add heatsink but SOA of this transistor doesn't  allow for linear operation over 10ms. It can burn.

Yo have to know type of microcontroler, how circiuts are connected to GPIO, have hardware and software to program it. Buy similar circiut and try to hack it within seconds. Hackers are not magicians.

Hacking is older, than programming, hardware hacking is possible. I saw it someone disabled alarm system without visible change. Electronic components can be damaged inside with some overvoltage spike.