olemus
turvapoliitiline mudel mitmetasemeliseks pääsu reguleerimiseks, keskendub teabe tervikluse tasemetele, kinnistab turvatasemed ka subjektidele, ei luba subjektil kirjutada endast kõrgema tasemega objektidesse
= a formal state transition system of computer security policy that describes a set of access control rules designed to ensure data integrity

ülevaateid
https://ars.els-cdn.com/content/image/3-s2.0-B9781597499699000067-f06-08-9781597499699.jpg
https://en.wikipedia.org/wiki/Biba_Model
https://www.cs.kau.se/cs/education/courses/dvgc04/05p1/slides/F09%20-%20Access%20Control.pdf
https://www.cs.utexas.edu/~byoung/cs361/lecture21.pdf
https://aaltodoc.aalto.fi/server/api/core/bitstreams/768765b6-d38d-4eba-a714-6c2ac5a2d1ca/content

vt ka
- Belli ja LaPadula mudel
- Clarki ja Wilsoni mudel