This Massive Data Breach was first reported by security researcher Troy Hunt, who maintains Have I Been Pwned, a way to search whether your own email address or password has been compromised by a breach at any point. This data breach seems to be bigger and critical than earlier breaches like Equifax and Marriott International The data breach is bigger and more critical than others. The unique email addresses and passwords, can be used by the hackers for the credential stuffing.”]
Source: https://gbhackers.com/773-million-massive-data-breach/