Before applying protections, you must understand what you are protecting and from whom. You can follow this five-step risk assessment model from SafetyCulture :

: Examine current policies, standards, and existing procedures.

: Protecting digital assets, including networks, endpoints, and cloud environments.

Effective security starts with a solid conceptual framework. Professionals often look to the to guide their strategy:

: Controlling physical access to facilities through gates, locks, alarms, and CCTV.

: Ensuring data is only accessible to authorized individuals.

When moving from planning to execution, prioritize these high-impact technical controls: Security checklist - Android Developers