Poway, Calif.-based Palomar Health Medical Group's computer systems are still down after "suspicious activity" forced them offline in May, radio station KPBS reported June 26.
On May 5, Palomar Health detected suspicious activity on certain computer systems within its network and took affected systems offline to prevent the spread of any potential malware. The outage affected Palomar's phones, faxes and patient portal.
Palomar Health has not disclosed the circumstances surrounding the incident.
The Palomar Health Healthcare District, which encompasses Palomar Medical Center Poway (Calif.) and Palomar Medical Center Escondido (Calif.), was not affected by the incident.