Shared responsibility model

Term
Shared responsibility model
Exam
CISA & CISM
Definition

The division of security responsibilities between a cloud provider and its customer, varying by service model.

Explained

Cloud providers and customers split security duties according to the service model. In IaaS the customer manages operating systems and applications; in SaaS mainly identities, access and configuration. Data and access are almost always the customer's responsibility.

In practice

In IaaS the provider secures the hardware, while the customer patches the guest operating system.

Often confused with
Outsourcing accountability
Exam angle

Identity, access and data are almost always the customer's responsibility.

Related

Complementary user entity controls ยท Zero trust

More from Glossary