Yahoo released an important message security for its users on the company's official blog a while ago confirming that information on at least 500 millions Yahoo accounts in late 2014.
The company believes the hackers behind the attack were from a government agency without naming the state. According to the company's blog post, names, email addresses, phone numbers, dates of birth, hashed passwords, and in some cases encrypted or unencrypted have been leaked. encryption security questions and answers.
Yahoo he says that there is none evidence that your payment card data, bank account information or other financial information has been compromised.
Based on the ongoing research, Yahoo believes the leaked information concerns at least 500 million user accounts.
The investigation has not revealed evidence that hackers are still in their networks today.
Yahoo, as the publication says, continues to work closely with law enforcement authorities and plans to inform all users affected by the attack.
Everyone who has a Yahoo account, change your password immediately (though it would be best to change your company) from the following page:
Read the PDF with the information and the announcement of hack and data leak: