Health context is very sensitive, and so it has some very specific security requirements. It is necessary to prevent
any unauthorized access attempt to private information and it is also important to keep an updated log that records
system failures [12].
In m-health context, several security threats must be taken into account, especially wireless communications and
radio security, Internet of Things security and Radio Frequency IDentification security.
Wireless communications and radio security - wireless communications, a must for m-health applications context,
have even more security problems [13]: data is transmitted through radio frequencies, available to any intruder
unless protected; if unprotected, data may be destroyed, modified or stolen, and can also be subject to various other
attacks (eg Denial of Service).