The breach affects 648 individuals, according to SC Magazine.
The hospital learned of the incident May 26. An investigation into the occurrence found patient names, lab results and Social Security numbers were included in the email. No financial information or health policy numbers were compromised.
The hospital indicates there is no evidence any information has been improperly used.
According to the breach notification letter, Massachusetts General is updating its processes so this type of sensitive information is no longer handled via email.
More articles on data breaches:
Medical Informatics Engineering breach now estimated to impact 3.9 million patients
California perinatal clinic reports data breach
16 latest updates on data breaches, privacy incidents and HIPAA violations
At the Becker's 11th Annual IT + Revenue Cycle Conference: The Future of AI & Digital Health, taking place September 14–17 in Chicago, healthcare executives and digital leaders from across the country will come together to explore how AI, interoperability, cybersecurity, and revenue cycle innovation are transforming care delivery, strengthening financial performance, and driving the next era of digital health. Apply for complimentary registration now.