Security is one of the hardest things for organizations to tackle because there is no ending; there is never a point where you're "done" with security. As threats continue evolve, so does the need for administrators to continuously adjust and patch their services and systems. Not only that, security is multi-faceted, and something to consider at many different layers; physical, network, infrastructure, application, cloud provider, etc. That is a lot to manage for administrators, which is why many organizations have dedicated security teams.
With the shift towards the cloud many people are lulled into a false sense of security thinking that operating in the cloud is more secure. The reality is, it's not, there are just different attack vectors. However, the shift to the cloud does open the potential to streamline security operations because everything has an API. Software can be written to interface with your cloud infrastructure and automate reporting and assessment. More and more tools and solutions are becoming available that let you operate in the cloud with confidence in your security posture.
Security services include, but are not limited to:
My guidance and recommendations align heavily with the Security Pillar of the Well-Architected Framework and can help you get into compliance quickly.