When sending good money after bad can stop digital ad fraud

Last year, a team of well-known tech security experts took their Brooklyn startup, White Ops, into the public with a bold claim: Their tech could discern between real online users and so-called "bots" used to gin up traffic, advertising impressions and generally muck up This week, White Ops announced that it's taken a $7 million venture investment to grow the company, a round led by Paladin Capital Group and Grotech Ventures...