According to this news:
http://www.wantchinatimes.com/news-s...00008&cid=1103
There are also reports of pax data leaks potentially thru either airlines or Travelsky and both sides deny any responsibility for the leakage.
Can hardly rely on Air China and TravelSky to realize and solve the issue, hopefully United can take some appropriate actions.
--It's not rocket science, just an easy fix.