Before revision:  However, even though such security concerns can be mitigated using HLF , the additional processing time spent in HLF may emerge as another issue because most IoT devices handle real-time and latency critical jobs.
After revision:  However, even though such security concerns can be mitigated using HLF , the additional processing time spent in HLF may emerge as another problem because many IoT applications handle real-time and latency critical jobs.