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Access level is

[a] category within a given security classification limiting entry or system connectivity to only authorized persons.[1]
[a] measure of the rights that a user has to view or edit an item. Access levels are calculated separately for every user and every item.[2]
[t]he hierarchical portion of the security level used to identify the sensitivity of data and the clearance or authorization of users. Note: The access level, in conjunction with the nonhierarchical categories, forms the sensitivity label of an object.[3]


  1. CNSSI 4009, at 1.
  2. "IBM Terminology" (full-text).
  3. Department of Defense, National Computer Security Center, Glossary of Computer Security Terms (NCSC-TG-004, Ver. 1) (Oct. 21, 1988).