Yahoo on Dec. 14 warned that it’s found a breach that appears to date from 2013, which put the data of 1 billion users at risk. Names, email addresses, telephone numbers, dates of birth, passwords hashed using the outdated MD5 algorithm. Yahoo says no payment card data or banking information was stored in the affected system. In September, Yahoo said that it detected that an attacker was inside its network in 2014, but failed to spot the data exfiltration. The White House says the FBI is now investigating both Yahoo breaches.”]
Source: https://www.cuinfosecurity.com/yahoo-breach-alert-1-billion-accounts-at-risk-a-9590