[generic] Game idea of the day...

How NotPetya did $10bn of damage and crippled large parts of the world's companies as part of a continuing cyber-war in the Ukraine:
A superbly written article, and the money shot is the pair of quotes below, basically how African blackouts fended off a nuclear-grade cyber strike:

After a frantic search that entailed calling hundreds of IT admins in data centers around the world, Maersk’s desperate administrators finally found one lone surviving domain controller in a remote office—in Ghana.
At some point before NotPetya struck, a blackout had knocked the Ghanaian machine offline, and the computer remained disconnected from the network.