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Home / Data Breach and Security / Yahoo Data Breach Affects All Users and is the Largest Ever Reported

Yahoo announced the data breach the company experienced back in 2013 has impacted all accounts. This means a total of approximately three billion accounts were hacked. Original reports disclosing the breach in December of 2016 reported that more than one billion of the three billion accounts were affected. Last year, Yahoo said the breach exposed names, email addresses and passwords.

The October 3, 2017 disclosure comes months after Verizon acquired Yahoo. In a statement, Verizon said: “The company recently obtained new intelligence and now believes, following an investigation with the assistance of outside forensic experts, that all Yahoo user accounts were affected by the August 2013 theft.”

This marks the largest reported data breach to date. The Yahoo data breach news comes a few weeks after Equifax announced a data breach of their company may have affected 143 million U.S. consumers.  According to CNBC, so far this year, hacks have made up more than half of the reported data breaches.