"Professor Yuan supported the allegation made by senior Chinese diplomat Chen Yonglin, who defected earlier, that over 1000 Chinese spies operate in Australia.

Yuan further claims that Beijing uses the spies to suppress dissidents and to turn Australia into a “political colony”, where “the Chinese Communist Party (CCP) influences Australian politics with its ideology, shifting the country gradually from its principles of freedom and democracy.”

Also see this on Canada's concern over spy networks and claims these also account for up to $1 billion lost b/c of industrial espionage.