What does the simple security (ss) property mean in the Bell-LaPadula model?

A. No read up

B. No write down

C. No read down

D. No write up








 

Suggested Answer: A

Community Answer: A

The ss (simple security) property of the Bell-LaPadula access control model states that reading of information by a subject at a lower sensitivity level from an object at a higher sensitivity level is not permitted (no read up).
Source: KRUTZ, Ronald L. & VINES, Russel D., The CISSP Prep Guide: Mastering the Ten Domains of Computer Security, John Wiley & Sons, 2001, Chapter 5:
Security Architectures and Models (page 202).

This question is in SSCP Systems Security Certified Practitioner Exam
For getting Systems Security Certified Practitioner (SSCP) Certificate






Disclaimers:
The website is not related to, affiliated with, endorsed or authorized by ISC. 
Trademarks, certification & product names are used for reference only and belong to ISC.
The website does not contain actual questions and answers from ISC's Certification Exams.