(Reuters) - Yahoo Inc , which disclosed two massive data breaches last year, said on Wednesday that about 32 million user accounts were accessed by intruders in the last two years using forged cookies. "Based on the investigation, we believe an unauthorized third party accessed the company's proprietary code to learn how to forge certain cookies," Yahoo said in its latest annual filing. Yahoo also said in December that data from more than 1 billion user accounts was compromised in August 2013, making it the largest breach in history.



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