What’s it like to be responsible for the digital security of a presidential campaign? Ask Mick Baccio, the only publicly-designated chief information security officer on the staff of a 2020 candidate. “As far as I know, I’m the only CISO on any presidential campaign,” he said Thursday. “I have no idea why.” Given the impact that information security lapses had on Hillary Clinton’s 2016 campaign, it’s a good question why he’s alone.