Business News All 3 Billion Yahoo Accounts Were Affected by 2013 Attack October 3, 2017 johorbiznet Johor News All 3 Billion Yahoo Accounts Were Affected by 2013 Attack New York Times 2013 hack hit all 3 billion Yahoo accounts – company News24 Yahoo says all three billion accounts hacked in 2013 data theft The Star Online Yahoo’s 2013 data breach affected 3 billion users, new owner says The Australian Full coverage Source: Business News Feed