NSA cybersecurity analysts were testing versions of Anthropic's tools when export controls were imposed on the company. The tests found that Mythos was able to identify cybersecurity flaws within the NSA's classified network quickly. Analysts were impressed with Mythos' capabilities in controlled test settings. There is an effort to push forward a classified contract between Anthropic and the NSA that would allow the agency to use the company's AI technology for a variety of purposes, but that contract has not been finalized.