June 1, 2016
Less than two weeks after more than 177 million LinkedIn user passwords surfaced, security researchers have discovered three more breaches involving MySpace, Tumblr, and dating website Fling that all told bring the total number of compromised accounts to more than 642 million.
“Any one of these 4 I’m going to talk about on their own would be notable, but to see a cluster of them appear together is quite intriguing,” security researcher Troy Hunt observed on Monday. The cluster involves breaches known to have happened to Fling in 2011, to LinkedIn in 2012, and to Tumblr 2013. It’s still not clear when the MySpace hack took place, but Hunt, operator of the “Have I been pwned?” breach notification service, said it surely happened sometime after 2007 and before 2012. He continued: