The University of SydneyPage 27E.g.Access Permission Matrix–Marketingis classified as UC, [HR,FIN, EXEC]–Aliceis cleared into UC, [HR, EXEC]–Can there be a link between Aliceand Marketingin a lattice representing dominance relationship?UC, [HR, FIN, EXEC]MarketingUC, [HR, EXEC]Alice(L1, C1)(L2, C2)–L1=L2, C2 is a subset of C1–Marketing dominates Alice, i.e.Marketing has higher security level than Alice