More than 2,500 public schools and government offices are using 19,256 blacklisted Chinese communications and electronic devices, raising national security concerns, a National Center for Cyber Security Technology (NCCST) report said. The report, released late last month, showed that many of the blacklisted products were from Shenzhen-based Da-Jiang Innovations Technology (DJI, 大疆創新), which makes drones and cameras for aerial photography. The Executive Yuan has previously instructed schools and government offices to report back on their use and installation of blacklisted communications and electronic devices, which are to be replaced by the end of the year. If they are not replaced, due to budget