olemus
turve, mis võimaldab mitut kaitsetaset, sõltuvalt
ohtudest, riskidest, kasutadaolevast tehnoloogiast,
tugiteenustest, ajast, inimprobleemidest,
majanduslikest kitsendustest

FIPS 201:
a security system that provides several levels (e.g., low, moderate,
high) of protection based on threats, risks, available technology,
support services, time, human concerns, and economics

ülevaateid
https://www.techopedia.com/definition/16511/graduated-security

https://en.wikipedia.org/wiki/Multilevel_security

https://www.cse.psu.edu/~pdm12/cse597g-f15/readings/cse597g-mls_reading.pdf

https://arcadia.sba.uniroma3.it/bitstream/2307/5928/1/Liguori_Design_and_Implementation_of_Multilevel_Security_Architectures.pdf

näiteid
https://app.dimensions.ai/details/patent/US-9398020-B2

https://www.cl.cam.ac.uk/~rja14/Papers/SEv3-ch9-dec18.pdf

https://www.ijert.org/research/multilevel-security-in-cloud-computing-IJERTCONV4IS06003.pdf