A data breach at Equifax has exposed the personal information of as many as 143 million Americans. Take a look at where this massive breach ranks among the largest in corporate history.
10. TRW, now Experian (1984) -- 90 million credit reports lost at a cost of $5.4 million
9. TJX Companies Inc. (2007) -- 94 million credit and debit card records lost at a cost of $5.64 million
8. Target (2013) -- Up to 110 million Target customers had data stolen from July to October 2013, and the company revealed the breech at the height of the 2013 holiday shopping season. The company said 40 million debit and credit card numbers were stolen and as many as 70 million customers had personal information stolen, although there may be some overlap on the lists.
7. LinkedIn (2012) -- The same hacker, Peace, credited with the 2016 MySpace attack, also took credit for this hack, in which it was initially reported about 6.5 million passwords had been breached. It was later discovered that "more than 100 million," according to LinkedIn, and possibly as many as 167 million accounts were affected.
6. Heartland (2008) -- The credit card processor was hit by an attack that exposed and estimated 130 million credit and debit card numbers. Heartland eventually paid more than $110 million to credit card companies to settle claims related to the breach.
5. Equifax (2017) -- Personal information (including Social Security Numbers, birth dates, addresses, and in some cases drivers' license numbers) of 143 million consumers; 209,000 consumers also had their credit card data exposed.
4. eBay (2014) -- Hackers using the credentials of three corporate employees gained access to the names, addresses, dates of birth and encrypted passwords of all of eBay's 145 million users.
3. Myspace (2016) -- The usernames and passwords for about 360 million accounts were breached in an attack credited by the company to a Russian hacker who goes by the name Peace.
2. Adult Friend Finder (2016) -- More than 412.2 million accounts
1. Yahoo (2013-14) -- In September 2016, Yahoo announced that data associated with at least 500 million accounts had been stolen in 2014. Three months later, it disclosed a second breach in 2013 affecting more than one billion accounts.