This bill requires the President to provide periodic reports and briefings to Congress on matters related to certain U.S. laws concerning North Korea. Annually, the President must submit a report to Congress relating to (1) arms trafficking involving North Korea, (2) operators of foreign airports and sea ports that fail to inspect cargo to or from North Korea, and (3) cooperation between North Korea and Iran. Twice a year, the President must submit a report regarding persons responsible for activities undermining cybersecurity. The bill also requires the President to provide a briefing to Congress twice a year regarding measures to deny specialized financial messaging services to designated North Korean financial institutions.