Attleboro shares details on impact of cybersecurity incident

Attleboro, Massachusetts, shared more details about the impact of a cybersecurity incident that occurred between Oct. 22 and Nov. 20, 2025. City officials said suspicious activity on its computer system potentially affected a wide range of personal data, including names, Social Security numbers, financial account information, driver’s license and passport numbers, government identification details, dates of birth, medical and health insurance information, taxpayer identification numbers, biometric information, electronic signatures, usernames, and passwords. The city plans to mail notification letters to potentially affected residents and urged them to watch for identity theft by using fraud alerts and credit freezes. Questions can be directed to 888-752-8537.