7 health systems hit by cybersecurity incidents in May

Several hospitals and health systems have reported cybersecurity incidents that have led to compromised patient data and IT systems during May. 

Here are seven cybersecurity incidents as reported by Becker's during May. 

1. A hospital employee from Winter Haven (Fla.) Hospital inadvertently attached a file to a patient email that exposed the data of thousands of other patients.
   
   
2.  On May 1, Antonio, Texas-based CentroMed said it detected unusual activity in its IT network. An investigation into the incident confirmed that an unauthorized user gained access to the organization's IT network in April.
   
   
3.  Trego County Lemke Memorial Hospital, a 25-bed critical access hospital in Wakeeney, Kan., reported a ransomware attack.
   
   
4.  Minneapolis-based Allina Health said a former employee impermissibly accessed the records of 715 patients in its EHR.
   
   
5.  On May 11, St. Louis-based Ascension confirmed that its May 8 cybersecurity incident was a ransomware attack.
   
   
6.  In a May 6 letter to patients, Poway, Calif.-based Palomar Health Medical Group said it began investigating "suspicious activity on certain computer systems within its network."
   
   
7.  On May 3,  Columbia, Md.-based MedStar Health said hackers accessed employee email accounts compromising the data of 183,079 patients.