Security as a service is the business model in which organizations work with external partners—either cybersecurity vendors or IT outsourcers—to manage or automate their security operations. The products offered by SECaaS vendors are usually cloud-based and sold on a subscription basis. In the SECaaS model, vendors take responsibility for managing and maintaining cloud products. This is one of the major advantages for businesses adopting the model.

Examples of security as a service

Cloud Security Alliance (CSA), which promotes the use of best practices for providing security within cloud computing, defines the following categories, or examples, of SECaaS: