What is Field-Level Security in Dynamics 365 CE?

Field-Level Security in Dynamics 365 Customer Engagement (CE) is a security mechanism that controls access to specific fields within Dataverse tables. It allows administrators to restrict who can read, create, or update sensitive field values, even when the user already has access to the underlying record. Field-Level Security is commonly used for confidential information such as salary, credit limits, personal identification details, or sensitive customer data.