74
DIGITAL FORENSICS EXPLAINED
operating system software is all abstracted from a customer’s view. However, the IAAS
and PAAS layers still exist; they are just managed by the SAAS provider. Given this
model, there is nothing that prevents a SAAS provider from using the services of a sep-
arate IAAS or PAAS service provider. From a customer’s perspective, the closer you are
to using a SAAS service model, the more you are relying on the cloud service provider
to offer a secure and reliable solution. e closer the customer is to the IAAS service
model, the more responsibility the customer is taking on in terms of providing a secure
and reliable solution. However, the customer also maintains more control over their data
and processes. With this con ...