L. J. La Padula’s scientific contributions

... Based on RBAC [16], many models have been proposed, like RBAC96 [17], ARBAC97 [18], ARBAC99 [18], ARBAC02 [19], and NIST RBAC [20]. Here, users operate the resources based on their assigned roles in the organization, and these roles can be varied accordingly [21]. RBAC administrator is engaged in keeping track and giving the roles to the users but cannot verify the user's role violations. is paper designs a novel approach to identifying users' actions by calculating their activities by incorporating trust and RBAC, namely, TRBAC. is access control mitigates the malicious actions caused by authenticated users. ...

Reference:

Enhancing Security of Mobile Cloud Computing by Trust- and Role-Based Access Control