Back to Security Architecture and Engineering
3.2 ~45 min
Fundamental concepts of security models
Overview
Map each model to what it protects: Bell-LaPadula (confidentiality: no read up / no write down), Biba (integrity: no write up / no read down), Clark-Wilson (integrity via well-formed transactions), Brewer-Nash (conflict of interest).
Key topics to master
- Bell-LaPadula
- Biba
- Star (*) property
- Clark-Wilson
- Brewer-Nash, Take-Grant