"...hackers had such total control over the corporate network that they had begun leaving messages taunting system administrators."
"The hackers knew exactly where to retrieve the most sensitive data and littered their code with expletives and taunts. One hacking tool contained the message “FUCK ANY AV” – referencing their victims’ reliance on anti-virus software. The name of a malicious domain used in the wider campaign appeared to mock U.S. intelligence: “nsa.mefound.com”
https://www.reuters.com/investigates/special-report/china-cyber-cloudhopper/