UUY-CYB 3142 units300 LevelFirst Semester

Information Security Models

B.Sc. Cybersecurity, University of Uyo

UUY-CYB 314 (Information Security Models) is a 2-unit, 300 Level course taught in the First Semester at the University of Uyo, Akwa Ibom State, Nigeria.

The formal models that underpin access control and multi-level security: Bell-LaPadula, Biba, Clark-Wilson, Brewer-Nash, and the access-control mechanisms (MAC, RBAC, ACLs, lattice-based control) that implement them in real systems.

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Course outline

  1. 01Basic concepts of formal security models; Access Control Lists (ACL)
  2. 02Bell-LaPadula model (confidentiality) and the Biba model (integrity)
  3. 03Brewer and Nash model (Chinese Wall) and the Clark-Wilson model
  4. 04Capability-based security and the Object-Capability Model
  5. 05Context-Based Access Control (CBAC) and Graham-Denning model
  6. 06Harrison-Ruzzo-Ullman (HRU) and the Take-Grant protection model
  7. 07Lattice-Based Access Control (LBAC), Mandatory Access Control (MAC), and Multi-Level Security (MLS)
  8. 08Non-interference security; Role-Based Access Control (RBAC)
  9. 09Protection rings and the High-Water Mark security model

Recommended textbooks

  • Computer Security: Principles and Practice — William Stallings & Lawrie Brown

    4th ed. — covers Bell-LaPadula, Biba, and Clark-Wilson in depth

  • Security Engineering — Ross Anderson

    3rd ed. — free online; excellent treatment of access control models

How to pass UUY-CYB 314

  • Contrast Bell-LaPadula (confidentiality: "no read up, no write down") with Biba (integrity: the reverse) — this pairing is exam-critical
  • Draw the lattice for MLS/LBAC by hand — visualising the ordering makes the model click
  • Link RBAC and MAC back to UUY-CYB 122 and UUY-CYB 221, where these controls are applied practically
  • Memorise which model addresses which property (confidentiality, integrity, or conflict of interest) — a common exam table

UUY-CYB 314 — questions and answers

What is UUY-CYB 314 at the University of Uyo?
UUY-CYB 314 (Information Security Models) is a 2-unit, 300 Level course taught in the First Semester at the University of Uyo, Akwa Ibom State, Nigeria. The formal models that underpin access control and multi-level security: Bell-LaPadula, Biba, Clark-Wilson, Brewer-Nash, and the access-control mechanisms (MAC, RBAC, ACLs, lattice-based control) that implement them in real systems.
What topics are covered in UUY-CYB 314?
The UUY-CYB 314 outline covers 9 topics: Basic concepts of formal security models; Access Control Lists (ACL); Bell-LaPadula model (confidentiality) and the Biba model (integrity); Brewer and Nash model (Chinese Wall) and the Clark-Wilson model; Capability-based security and the Object-Capability Model; Context-Based Access Control (CBAC) and Graham-Denning model; Harrison-Ruzzo-Ullman (HRU) and the Take-Grant protection model; Lattice-Based Access Control (LBAC), Mandatory Access Control (MAC), and Multi-Level Security (MLS); Non-interference security; Role-Based Access Control (RBAC); Protection rings and the High-Water Mark security model.
What textbooks are recommended for UUY-CYB 314?
Recommended reading for UUY-CYB 314: Computer Security: Principles and Practice by William Stallings & Lawrie Brown; Security Engineering by Ross Anderson.
How do I pass UUY-CYB 314?
Contrast Bell-LaPadula (confidentiality: "no read up, no write down") with Biba (integrity: the reverse) — this pairing is exam-critical Draw the lattice for MLS/LBAC by hand — visualising the ordering makes the model click Link RBAC and MAC back to UUY-CYB 122 and UUY-CYB 221, where these controls are applied practically Memorise which model addresses which property (confidentiality, integrity, or conflict of interest) — a common exam table
Where can I find UUY-CYB 314 lecture notes and past questions?
Areté (https://www.aretecyb.tech/courses/uuy-cyb-314) carries 2 recommended textbooks for UUY-CYB 314, plus an AI tutor that has read the outline. It is free for University of Uyo students — sign in with your email, no password.

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