Yahoo’s been through it. So has the Democratic National Committee. More recently, it was Equifax. But it’s not just large businesses and organizations that are targeted by hackers. In fact, 1 in 5 small businesses has been targeted by a cyberattack, according to a study published Thursday by the Better Business Bureau.http://www.chicagotribune.com/business/ct-biz-better-business-bureau-small-business-cybersecurity-report-20171012-story.html