Information Security Models Pdf
Often used in military and government environments, this model is designed to prevent unauthorized access to classified information. It is a state-machine model that enforces strict confidentiality rules.
In sectors like finance, healthcare, and software development, data corruption or unauthorized modification is a greater threat than data leakage. Integrity models prevent unauthorized data alterations. The Biba Integrity Model Information Security Models Pdf
[ Access Request ] | v +--------------------------+ | Policy Enforcement Point | <--- Evaluates Attributes (User, Device, Environment) +--------------------------+ | +--------+--------+ | | [ Allowed ] [ Denied ] | v [ Secure Object ] Attribute-Based Access Control (ABAC) Often used in military and government environments, this
A subject can only read and write at their exact clearance level, completely eliminating vertical data movement. 3. Integrity-Focused Models and software development