Comment by mycall 5 hours ago How hard is it to fix a fuse with a microscope and a steady hand? 2 comments mycall Reply QuiEgo 3 minutes ago Very hard. FIB is the only known way to do this but even then, that's the type of thing where you start with a pile of SoCs and expect to maybe get lucky with one in a hundred. A FIB machine is also millions of dollars. userbinator 25 minutes ago You'll need at least an electron microscope... but defeating MCU readout protection using a FIB is actually a thing:https://www.eag.com/services/engineering/fib-circuit-edit-de...Costs are what you'd expect for something of this nature.
QuiEgo 3 minutes ago Very hard. FIB is the only known way to do this but even then, that's the type of thing where you start with a pile of SoCs and expect to maybe get lucky with one in a hundred. A FIB machine is also millions of dollars.
userbinator 25 minutes ago You'll need at least an electron microscope... but defeating MCU readout protection using a FIB is actually a thing:https://www.eag.com/services/engineering/fib-circuit-edit-de...Costs are what you'd expect for something of this nature.
Very hard. FIB is the only known way to do this but even then, that's the type of thing where you start with a pile of SoCs and expect to maybe get lucky with one in a hundred. A FIB machine is also millions of dollars.
You'll need at least an electron microscope... but defeating MCU readout protection using a FIB is actually a thing:
https://www.eag.com/services/engineering/fib-circuit-edit-de...
Costs are what you'd expect for something of this nature.