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Saint Thunderstrike, Lightning of the Mac
Patron of Thunderbolt ports, EFI firmware, and people who lend their Mac for five minutes.
Life
Presented by Trammell Hudson at the Chaos Communication Congress at the end of 2014 and fixed by Apple in January 2015, he showed how a malicious Thunderbolt device could rewrite a Mac's firmware during boot. The code landed in the motherboard's flash memory and survived reinstalling the system and even replacing the disk: lightning that leaves its mark.
Prayer
O Saint Thunderstrike, who strikes through the fastest port, protect our firmware from anyone passing by with an adapter in hand. Amen.
How to celebrate
Celebrated by updating macOS and distrusting every Thunderbolt adapter abandoned in a meeting room.
Lightning in the firmware, storms forever after.