Port of Seattle, the U.S. government agency overseeing Seattle’s seaport and airport, is notifying roughly 90,000 individuals of a data breach after their personal information was stolen in an August 2024 ransomware attack. The agency disclosed the attack on August 24, saying the resulting IT outage disrupted multiple services and systems, including reservation check-in systems, passenger display boards, the Port of Seattle website, the flySEA app, and delayed flights at Seattle-Tacoma International Airport. Three weeks after the initial disclosure, the Port confirmed that the Rhysida ransomware operation was behind the August 2024 breach. After the incident, the Port also decided not to give in to the cybercriminals’ demands to pay for a decryptor even though they threatened to publish stolen data on their dark web leak site. … On Thursday, April 3, 2025, the Port announced that it’s now sending approximately 90,000 notification letters to individuals impacted by the resulting data breach who had a mailing address. According to the agency, roughly 71,000 of those affected by this data breach are from Washington state. According to a copy of the breach notification letters, the attackers stole employee, contractor, and parking data in various combinations, including names, dates of birth, Social Security numbers (or last four digits of Social Security number), driver’s license or other government identification card numbers, and some medical information. …