delivered by the cloud services enables tenants to customize
service functionality but it does not enable tenants to
customize service security capabilities; (ii) the underlying
cloud platform infrastructure, such as OS, does not support
for multi-tenancy, so we cannot install multiple anti-viruses
or anti-malware systems on the same OS while being able to
configure each one to monitor specific memory process for
a certain user. One solution may be to use a VM for each
tenant as in [7]. This work around may not be applicable if
the service is not designed for individual instances usage or
if the cloud platform does not support VM technology