Monitoring and eavesdropping on PHI : This is the most
common threat to the patient privacy. By patient PHI
snooping, an adversary can easily discover the patient
information from communication channels. Moreover, if
the adversary has a powerful receiver antenna, then he/she
can easily pick up the messages from the network. The
captured message may contain the physical location of the
patient, allowing an attacker to locate the patient’s position
and physically harm him/her. Thus, monitoring and
snooping can pose a serious threat to patient privacy [2].