在CIoT中，可能会有MIDs。当它们发动SSDF攻击时，FC能检测到

In CIoT, there may be MIDs. When they launch an SSDF attack, FC can detect the presence of MIDs, but does not know the proportion of attackers. Even if there are no MIDs in CIoT, NIDs may produce inherent sensing errors during the sensing process. Therefore, we can use detection rate, false detection rate and false alarm rate to measure the performance of local perception, which can be expressed as follows.

In ciot, there may be mids. When they launch SSDF attacks, FC can detect the presence of mids, but does not know the proportion of attackers. Even if there are no mids in ciot, NIDS may produce inherent sensing errors in the sensing process. Therefore, we can use detection rate, false detection rate and false alarm rate to measure the performance of local perception, which can be expressed as follows.

In CIoT, there may be MIDs. When they launch SSDF attacks, FC can detect the existence of MIDs, but it doesn't know the percentage of attackers. Even if there is no MIDs in CIoT, NIDs may produce inherent sensing errors in the sensing process. Therefore, we can use detection rate, false detection rate and false alarm rate to measure the performance of local perception, which can be expressed as follows.