The tech giant Yahoo! admitted crooks have probably stolen details from more than a billion user accounts, and the incident is not linked to previous ones. The company dates the incident back in August 2013 and blames an unauthorised third party that it hasnt identified. Names, addresses, phone numbers, and hashed passwords easy to crack. The leaked data also include some encrypted and cleartext security questions and answers have been compromised too. The news will have a significant impact on the acquisition of the company by Verizon.”]
Source: https://securityaffairs.co/wordpress/54408/data-breach/yahoo-data-breach-1-billion.html