This could go in the Data War thread as well - it goes to what Dan was talking about with data hacks cutting both ways. It's described as 'a leak' but sounds more like a proactive strike.
"
The Australian’s investigation followed a leak of official CCP records that exposed the personal details of 1.95 million members. It found members and even party branches at some of the world’s largest companies including vaccine manufacturers AstraZeneca and Pfizer, aerospace giant Boeing and at ANZ."

https://www.theaustralian.com.au/nation/asio-probes-chinese-communist-party-members-in-... (paywall)