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The first data breach occurred on Yahoo servers in August 2013 [1] and affected all three billion user accounts. [2] [3] Yahoo announced the breach on December 14, 2016. [4] Marissa Mayer, who was CEO of Yahoo at the time of the breach, testified before Congress in 2017 that Yahoo had been unable to determine who perpetrated the 2013 breach. [5]
The attack specifically targeted Yahoo Voice, formerly known as Associated Content, which Yahoo had acquired in May 2010 for $100 million (£64.5 million). Using SQL injection techniques, the hackers were able to extract the data from Yahoo's servers and subsequently post the compromised information publicly online. [1] [2] [3] [4]
If your account has been compromised. If you think your account has been compromised, follow the steps listed below to secure it. 1. Change your password immediately. 2. Delete app passwords you don’t recognize. 3. Revert your mail settings if they were changed. 4. Ensure you have antivirus software installed and updated. 5.
The hacker posted the account's password on /b/, an image board on 4chan, and screenshots from within the account to WikiLeaks. [17] A /b/ user then logged in and changed the password, posting a screenshot of his sending an email to a friend of Palin's informing her of the new password on the /b/ thread.
A compromised (hacked) account means someone else accessed your account by obtaining your password. Spoofed email occurs when the "From" field of a message is altered to show your address, which doesn't necessarily mean someone else accessed your account. You can identify whether your account is hacked or spoofed with the help of your Sent folder.
Having a password manager like LastPass can help make this process much faster and easier. Scan all your devices – Download a reputable anti-virus program that will scan your devices for malware ...
Despite the common belief that you should change your password every few months, the National Institute of Standards and Technology recommends only changing it if there's evidence it's been ...
If you think your account has been compromised • Change your AOL account password. • Update or change your AOL account information. • Contact your financial institution if you provided financial details.