https://arstechnica.com/information-technology/2017/09/why-the-equifax-breach-is-very-possibly-the-worst-leak-of-personal-info-ever/ >It's a sad reality in 2017 that a data breach affecting 143 million people is dwarfed by other recent hacks—for instance, the ones hitting Yahoo in 2013 and 2014, which exposed personal details for 1 billion and 500 million users respectively; another that revealed account details for 412 million accounts on sex and swinger community site AdultFriendFinder last year; and an eBay hack in 2014 that spilled sensitive data for 145 million users.