Martin Z. Braun reports: Municipal bond-financed facilities that treat cancer by proton radiation in Nashville and Knoxville, tn reported an information technology security incident that has resulted in temporary but continuing disruptions to some clinical and financial operations, according to a Dec. 2 bond filing. register more on Bloomberg Law (sub. req.). From the bond filing: Each of The Proton Therapy Center, LLC (PCPT), which operates a proton therapy center in Knoxville, Tennessee and MTPC, LLC (MTPC), which operates a proton therapy middle in Nashville, Tennessee, experienced an information technology security incident in the early morning hours of October 28, 2020. Each of PCPT and MTPC is in the process of implementing extensive information technology surety protocols and is working diligently with its security partners to reinstate its information technology operations as quickly as possible. This matter has resulted in temporary but continuing disruptions to certain aspects of clinical and financial operations. Each center continues to utilize their established back-up processes including offline documentation methods. at this time, neither PCPT nor MTPC has evidence that patient or employee data was accessed, copied or misused. Patient care continues to be delivered safely and effectively.