What is the Bell-LaPadula Model?
The Bell-LaPadula Model is a formal security model designed to enforce data confidentiality. It prevents unauthorized access to sensitive information through rules such as “no read up” and “no write down.”
This model is commonly used in environments where protecting classified information is critical, such as government and military systems.
What is the Bell-LaPadula Model used for?
The Bell-LaPadula Model is used to enforce confidentiality controls within systems and applications. It complements other models such as the Biba Model, which focuses on integrity.
Security architects apply Bell-LaPadula principles within Access Control and system design to ensure alignment with the Confidentiality aspect of the CIA Triad.