ST. JOSEPH COUNTY, Ind. -- Officials with Penn-Harris-Madison School Corp. sent an email out to parents Monday morning stating the P-H-M Director of Technology informed them of a network breach from an external source involving ransomware.

District officials say as a precaution, all network-connected desktop computers have been shut down.

Student and staff Chromebooks, laptops, cell phones, tablets, Wi-Fi devices, and internet/cloud-based applications remain safe to use, according to district officials.

District officials say the P-H-M Technology team, in consultation with cyber security experts, is investigating and will provide updates when available.