WA Parliament confident sensitive data safe after hack linked to China group Normal text size Advertisement WA Parliament says no data was lost and its network remained protected during a cyber attack in the middle of the state election believed to have originated in China. The attack left Parliament without the use of its email platform for 19 hours as it worked on a fix. WA's Parliament House. Credit:Nathan Hondros At about 5.40pm on March 4, the Australian Cyber Security Centre notified WA Parliament of unusual activity on its Microsoft Exchange mail server, which handles sensitive parliamentary emails. A WA Parliament spokesman said the server was immediately shut down, stopping all email traffic.