Connecticut - based Middlesex Hospital recently reported that four of its employees had fallen victim to a phishing scam . The incident was discovered on October 9 , 2015 , and may affect 946 patients . Information potentially exposed includes names , addresses , dates of birth , medical record numbers , medications , dates of service , and/or diagnoses . Full medical records and Social Security numbers were not affected . " All patients involved in the breach have been notified and are being offered free credit monitoring for one year , as a precaution , " Middlesex said in a statement . " The Hospital is taking all necessary steps to help prevent a similar occurrence in the future . " ;