A new rule from the U.S. Department of Commerce prohibits the sale or export of cybersecurity-related software and hardware to specific countries. Citing national security and anti-terrorism reasons, the rule bans exports to governments the U.S. deems "authoritarian," including China and Russia.
https://www.notebookcheck.net/United-States-to-ban-export-of-cybersecurity-tools-and-software-to-countries-with-authoritarian-practices.574291.0.html