How come political campaigns keep getting hacked?

Hackers infiltrated the Trump campaign and made off with sensitive documents, a major breach that is now under investigation by the FBI. The ordeal is reminiscent of the 2016 election, when Russian hackers hit the campaign of then-Democratic nominee Hillary Clinton. Michael Kaiser is the CEO of Defending Digital Campaigns, a nonpartisan organization that provides campaigns with cybersecurity software. On POLITICO Tech, Kaiser tells host Steven Overly why these risks persist even as campaigns get savvier about cybersecurity. Learn more about your ad choices. Visit megaphone.fm/adchoices