Some 4 terabytes of data on over 1.2 billion individuals was exposed to the internet on an unsecured Elasticsearch server. The server stored 622 million email addresses, over almost 50 million phone numbers, plus names and profile information from LinkedIn and Facebook. It’s not clear who owns the database or if any of the personal information it contained has been accessed by hackers or cybercriminals. The data was contained in four separate indexes on the exposed server, which were labeled either “PDL” or “OXY””]
Source: https://www.databreachtoday.com/unsecured-server-exposed-records-12-billion-researchers-a-13441