Serverless architecture is becoming a compelling choice to host applications. What security considerations need to be made before choosing to go serverless?

Serverless architecture is becoming a compelling choice for developers and companies to host their applications. It is easy to see why with its ability to dynamically scale to meet load requirements as well as removing a lot of the complexity with deploying and maintaining applications, sometimes even removing the need for an Ops team. But what are the security considerations we should consider before choosing to go serverless?

What is Serverless Architecture?

Serverless architecture (also known as serverless computing or function as a service, FaaS) is a software architecture where applications are hosted by a third-party service. This essentially means that your application is broken into individual services, which negates the need for server software and hardware management by the developers.

Why Choose to Go Serverless?

When hosting an application on the internet, as most modern software is, it requires some kind of server infrastructure. With options from cloud providers such as AWS, GCP, and Azure, it is more common today to have a virtual server that does remove a lot, if not all, of the physical hardware concerns. But these platforms still require a lot of setup and management when it comes to the operating environment. For complex applications managing and maintaining these environments as well as deployments to them requires considerable resources and often done by a dedicated ops team.

Serverless architecture removes this need, and it allows you to focus purely on individual services and your application. It also means applications can be auto-scaled dynamically depending on the workloads. Developers only ever need to worry about their applications and code.

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