Yarif wants to harden his SaaS cloud infrastructure. Which of the following hardening tech- niques is he most likely to be able to implement in an SaaS environment?

SaaS environments allow customers to manage information, data, devices, accounts, and identities. That means that ensuring least privilege is used is possible through use of accounts and identities. Host-based firewalls, OS configurations, and physical security are all the responsibility of the SaaS provider.