Oops. I missed this last week when Xinhua reported:
Police in east China’s Wenzhou City, Zhejiang Province have seized 20 people suspected of stealing more than 300,000 pieces of personal information.
The gang were found to have hacked into servers of over 50 airline company websites since 2016. The leaks included user IDs, passwords and flight information.
Read more on Xinhua.net.