Bell-LaPadula model
Also called: write up, read down, WURD
Course: AP® Cybersecurity Shows up in: Unit 5: Securing Applications and Data
A mandatory access control model: subjects may not read objects above their level (Simple Security Property) or write to objects below it (* Security Property).
Appears in the course and exam description (CED): 5.2.C.6
Why it matters in Unit 5
Summarized as write up, read down (WURD).
Example
A Secret analyst can read Confidential but not Top Secret files.
Learn it properly, with a checkpoint 5.2 Protecting Applications and Data: Managerial Controls and Access Controls