How does one secure a microcontroller from getting hacked?
In: Engineering
You encase it in hard epoxy with a vacuum around the chip, and a bit of thermite on the chip attached to an initiator that will go off if exposed to air. That’s pretty much the only way to be at least mostly sure.
Other than that, what kind of microcontroller, for what, and how secure?
That’s actually a subject that is difficult to answer quickly. You have to defend against multiple types of attack, and no defense will be perfect against a smart, well resourced attacker. Some of the attack vectors that must be attended to: physical, cryptographic, electrical, electromagnetic radiation, light. And probably a few more that I’m not thinking about right now. Some of the attacks you have to worry about depend on the application and implementation.
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