CISA was established under law in 2018 by then-President Donald Trump and was tasked with helping secure the nation’s critical infrastructure against cyberattacks — a mandate that includes the elections. The agency came under fire from conservatives in 2020 after it countered narratives about the election being “stolen.” Trump ultimately fired the agency’s leader after it put out a statement that said the 2020 election was secure. Since then, CISA has pulled back from its work countering...