It helps maintain the integrity of data using the simple integrity axiom and the *-integrity axiom. AKA the no write up rule, specifies that a subject or process cannot write data to an object at a higher integrity level

What statement describes the Biba Security model? - It separates data into high protection data called constrained data items (CDI's) - It ensures that actions at higher security levels do not interfere with actions at lower security levels - It helps maintain the integrity of data using the simple integrity axiom and the *-integrity axiom - It helps protect the confidentiality of data using the *-property rule and the strong start property rule