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By Josh KELLER, K.K. Rebecca LAI and Nicole PERLROTH

At least one billion Yahoo users had their information stolen in 2013, the company said on Wednesday,

months after it disclosed a different attack in 2014 that affected 500 million users. Several other major companies have been attacked since.

If you want to learn which parts of your identity may have been stolen, read further on The New York Times.

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