“Thousands of international travelers spent New Year’s Day stranded in airports after a system outage shut down Customs and Border Protection stations across the country for two hours. The outage, which lasted from roughly 7:30 p.m. to 9:30 p.m. EST, mirrored a disruption that took place almost exactly a year earlier when a wave of holiday travelers overwhelmed the agency’s passenger screening system.”
Source: A Customs Computer Outage Strands Thousands in Airports, Again – Nextgov