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