Chiesi USA Reports Data Breach Affecting 262 Massachusetts Residents Chiesi USA, Inc., a specialty pharmaceutical company based in Cary, North Carolina, recently disclosed a data breach exposing sensitive personal and medical information of at least 262 Massachusetts residents. The incident, reported to the Massachusetts Attorney General’s office on December 22, 2025, involved unauthorized access to the company’s systems, compromising data including names, Social Security numbers, driver’s license details, financial account information, and medical records. While the exact method of the breach remains undisclosed, Chiesi USA has taken steps to mitigate the impact. The company partnered with cybersecurity experts to investigate the incident, secure its systems, and implement additional safeguards to prevent future breaches. Affected individuals are being notified by mail and offered 24 months of complimentary credit monitoring and identity restoration services through Experian. Chiesi USA has also established a dedicated call center (833-918-4088) for impacted individuals seeking further information. The breach underscores the ongoing risks to healthcare-related data and the need for robust cybersecurity measures in the pharmaceutical sector.