Cyberattacks against voting systems in the 2020 elections are an object of continuing concern, including in California (Washington Post, CBS SF BayArea, California AB 2125, National Conference of State Legislatures). A relevant cyberattack against a federal, state, or local election system that changes vote totals and/or an election outcome for California would count. For purposes of this question, "voting system" is a system as defined by the U.S. Election Assistance Commission (U.S. Election Assistance Commission). This question will resolve based on available evidence no later than 1 May 2021.

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