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What is the idea behind the Bell-La Padula model?

Answer Posted / Vijay Shukla

The Bell-La Padula model is a classical security policy for access control in multi-level secure systems. Its main concept revolves around the protection of confidentiality by enforcing two rules: the simple security property (no read-up) and the *-property (no write-down). In essence, it ensures that sensitive information cannot be accessed by lower clearance users or written to by higher clearance users.

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