It remains unclear whether the evacuations — four of them in the past month alone — were the result of deliberate or inadvertent leaks or were planned in advance of the intelligence sharing as part of a mobile production operation.
It was not clear why Mr. Putin addressed the issue on Friday, although he did so in response to a question about articles in the Russian media on the intelligence sharing that cited unidentified officials in the intelligence and security services.
While Australia has made moves to prevent foreign influence in its politics, New Zealand, which has a significant trade relationship with China, has been criticized by its Western allies in the Five Eyes intelligence sharing partnership for not doing enough.
This will require global cooperation and, in particular, financial intelligence sharing between the EU and the U.S. .
Admiral Lord West, a former first sea lord who served as a Home Office minister in the Gordon Brown Labour government, said intelligence sharing with allies such as the US was "crucially important" for protecting the country from national security threats.
Attorney General Eric H. Holder Jr. signed new guidelines on Thursday for the National Counterterrorism Center, which was created in 2004 to foster intelligence sharing and serve as a terrorism threat clearinghouse.
Beyond credit unions, the ISAO tracks other industry organizations that are also operating, or in the process of starting, threat intelligence sharing operations.
The BBC's security correspondent Frank Gardner said ministers were being "very cautious" in their comments about intelligence sharing so as not to give any advantage to terrorist suspects.
A senior intelligence official said this week that the recently announced departures of Mr. Tenet and James L. Pavitt, the deputy director for operations, had contributed to delays in working out the new arrangement on intelligence sharing.
The U.S. ambassador to Germany, Richard Grenell, sent a letter to German officials in March saying the United States would limit intelligence sharing with Berlin if Huawei is allowed to provide Germany's 5G network.
