Yahoo acknowledged that hackers stole the account information of at least 500 million users. Information intercepted by the Yahoo hack included names, email addresses, telephone numbers, birth dates, passwords, and security questions.
If you had/have a Yahoo account, you should assume that your PII (Personally Identifiable Information) was stolen. Changing Yahoo passwords will be just the start for many of you. Comb through other services — especially those for which you provided a Yahoo email address to create an account — to make sure passwords used on those sites aren’t too similar to what you were using on Yahoo. Change passwords for sites that contain sensitive information like financial, health, business, or credit card data.
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