NEW YORK (TheStreet) -- United Continental has become the latest high-profile victim of Internet hackers. The world's second largest airline discovered the computer-systems breach in May and has linked the attack to a group of China-backed cyber criminals. The hackers are also thought to be behind the recent government hack carried out around the same time and the theft of medical data from health insurer Anthem . Must Read: Warren Buffett's Top 10 Dividend Stocks The data stolen from United include personal information on passengers, their origins and destinations, and suggest the team is amassing a large database of sensitive consumer information. In late May, the U.S.