Yahoo’s 2013 Security Breach Included ALL Yahoo Accounts

If you haven’t changed your password, do it NOW!

Remember that massive, monumental hack that Yahoo said only affected around 1 billion accounts back in 2016? Well, it turns out Yahoo was short by a couple of billion. It turns out the hack affected ALL of registered Yahoo mail users according to Yahoo’s parent company Oath, which number around 3 billion around the world that existed back in August of 2013.

The hack included things like names, email addresses, telephone numbers, dates of birth, hashed passwords using MD5 encryption and in some cases, encrypted and unencrypted security questions and answers.

While your password was likely not broken if your account was included in the hack, the hackers have enough information to be able to force open your account, and possibly try a bit of social engineering as well. If you had a Yahoo account up to 2013, we STRONGLY advise you to change your password if it’s the same one you’ve always used, as well as change your security question and turn on two factor authentication.


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John Nieves

John is a veteran technology and gadget journalist with more than 10 years of experience both in print and online. When not writing about technology, he frequently gets lost in the boonies playing soldier.

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