Equifax breach: Is it the biggest data breach?
Elizabeth Weise
SAN FRANCISCO — Data breaches have become a fact of digital life, and they seem to be getting bigger. USA TODAY has put together a list of the largest reported breaches.
For purposes of this ranking, we did not include hacks that affected fewer than 1 million users, such as the Sony Pictures Entertainment breach. Also, the dates listed are when a breach was announced, not necessarily when it happened.
Yahoo! 1 billion, December 2016
Yahoo! 500 million, September 2016
MySpace 360 million May 2016
EBay 145 million, May 2014
Equifax 143 million, September 2017
Target 110 million, November 2013
LinkedIn 100 million, May 2016
AOL 92 million, October 2007
JP Morgan Chase 83 million, October 2013
Anthem 80 million, February 2015
Sony PlayStation Network 77 million, April 2011
Home Depot, 53 million, September 2014
TJ Maxx 45.7 million 2007
Ashley Madison, 32 million, August 2015
Office of Personnel Management 21.5 million, July 2015
T-Mobile (via Experian), 15 million, October 2015
Scottrade 4.6 million, October 2015
UCLA Health 4.5 million, July 2015
Source: USA TODAY Research