{"data":{"id":"AC-06","name":"Least Privilege","family":"AC","family_name":"Access Control","withdrawn":false,"description":"Employ the principle of least privilege, allowing only authorized accesses for users (or processes acting on behalf of users) that are necessary to accomplish assigned organizational tasks.","supplemental_guidance":"Organizations employ least privilege for specific duties and systems. The principle of least privilege is also applied to system processes, ensuring that the processes have access to systems and operate at privilege levels no higher than necessary to accomplish organizational missions or business functions. Organizations consider the creation of additional processes, roles, and accounts as necessary to achieve least privilege. Organizations apply least privilege to the development, implementation, and operation of organizational systems.","enhancements":[{"id":"AC-06(01)","name":"Authorize Access to Security Functions","statement":"Authorize access for [Assignment: organization-defined individuals or roles] to:\na. [Assignment: organization-defined security functions (deployed in hardware, software, and firmware)]; and\nb. [Assignment: organization-defined security-relevant information].","baselines":["moderate","high"]},{"id":"AC-06(02)","name":"Non-privileged Access for Nonsecurity Functions","statement":"Require that users of system accounts (or roles) with access to [Assignment: organization-defined security functions or security-relevant information] use non-privileged accounts or roles, when accessing nonsecurity functions.","baselines":["moderate","high"]},{"id":"AC-06(03)","name":"Network Access to Privileged Commands","statement":"Authorize network access to [Assignment: organization-defined privileged commands] only for [Assignment: organization-defined compelling operational needs] and document the rationale for such access in the security plan for the system.","baselines":["high"]},{"id":"AC-06(04)","name":"Separate Processing Domains","statement":"Provide separate processing domains to enable finer-grained allocation of user privileges.","baselines":[]},{"id":"AC-06(05)","name":"Privileged Accounts","statement":"Restrict privileged accounts on the system to [Assignment: organization-defined personnel or roles].","baselines":["moderate","high"]},{"id":"AC-06(06)","name":"Privileged Access by Non-organizational Users","statement":"Prohibit privileged access to the system by non-organizational users.","baselines":[]},{"id":"AC-06(07)","name":"Review of User Privileges","statement":"a. Review [Assignment: organization-defined frequency] the privileges assigned to [Assignment: organization-defined roles or classes of users] to validate the need for such privileges; and\nb. Reassign or remove privileges, if necessary, to correctly reflect organizational mission and business needs.","baselines":["moderate","high"]},{"id":"AC-06(08)","name":"Privilege Levels for Code Execution","statement":"Prevent the following software from executing at higher privilege levels than users executing the software: [Assignment: organization-defined software].","baselines":[]},{"id":"AC-06(09)","name":"Log Use of Privileged Functions","statement":"Log the execution of privileged functions.","baselines":["moderate","high"]},{"id":"AC-06(10)","name":"Prohibit Non-privileged Users from Executing Privileged Functions","statement":"Prevent non-privileged users from executing privileged functions.","baselines":["moderate","high"]}],"baseline_low":false,"baseline_moderate":true,"baseline_high":true,"nist_800_53":{"rev5":{"id":"AC-06","name":"Least Privilege","description":"Employ the principle of least privilege, allowing only authorized accesses for users (or processes acting on behalf of users) that are necessary to accomplish assigned organizational tasks.","discussion":"Organizations employ least privilege for specific duties and systems. The principle of least privilege is also applied to system processes, ensuring that the processes have access to systems and operate at privilege levels no higher than necessary to accomplish organizational missions or business functions. Organizations consider the creation of additional processes, roles, and accounts as necessary to achieve least privilege. Organizations apply least privilege to the development, implementation, and operation of organizational systems.","related_controls":["AC-02","AC-03","AC-05","AC-16","CM-05","CM-11","PL-02","PM-12","SA-08","SA-15","SA-17","SC-38"],"baseline_low":false,"baseline_moderate":true,"baseline_high":true,"baseline_privacy":false,"new_in_rev5":false,"changes_from_rev4":""}},"compliance_mappings":{"iso_27001_2022":["A.5.15","A.5.18","A.8.2","A.8.3","A.8.18"],"iso_27002_2022":["5.15","5.18","8.2","8.3","8.18"],"cobit_2019":["DSS05","DSS06"],"pci_dss_v4":["3.4","7.1","7.2","8.6"],"nist_csf_2":["PR.AA-05"],"cis_controls_v8":["CIS 3.3","CIS 3.14","CIS 5","CIS 5.4","CIS 6","CIS 6.1","CIS 6.8","CIS 12.8"],"soc2_tsc":["CC6.1","CC6.1-POF7"],"finos_ccc":["CCC-C11","CCC-C12"],"iso_42001_2023":["A.3.2","A.9.2"],"iec_62443":["3-3 SR 1.3","3-3 SR 2.1"],"asd_e8":["E8-5","E8-5 ML1","E8-5 ML2","E8-5 ML3","E8-8 ML3"],"nis2":["Art. 21(2)(i)"],"apra_cps_234":["Para 22-23"],"mas_trm":["9"],"pra_op_resilience":[],"bsi_grundschutz":["OPS.1.1.2","ORP.4"],"anssi":["Hygiene.14","Hygiene.15","Hygiene.16","Hygiene.17","SecNumCloud.10.3","SecNumCloud.10.4"],"osfi_b13":["B-13.3.2"],"finma_circular":["IV.B.d(59)","IV.B.d(60)","IV.C(61)"],"gdpr":["Art.5(1)(c)","Art.5(1)(f)","Art.25(2)","Art.32(1)(b)"],"dora":["Art.9(4)(c)","Art.9(4)(d)"],"bio2":["5.15","5.18","8.2","8.3","8.18"],"rbi_csf":["Annex1.8","ITGRCA.19"],"fisc":["FISC.T2"],"lgpd_bcb":["BCB.Art.3","LGPD.Art.6","LGPD.Art.46"],"hkma_tme1":["TME1.8.1","TME1.8.2"],"mlps_2":["8.1.4.2","8.1.5.1","8.1.10.4"],"dnb_good_practice":["DNB.7.1","DNB.17.2"],"cra":["CRA.I.2d"],"swift_cscf":["SWIFT.1.2","SWIFT.5.1","SWIFT.6.3"],"cbb_tm":["TM-6"],"cbuae":["CR-4"],"nca_ecc":["2-2"],"qatar_nia":["AC"],"sama_csf":["3.1"],"uae_ia":["T9"],"bog_cisd":["CISD-VIII"],"bom_ctrm":["3.3"],"cbe_csf":["CD-1","CTO-1"],"cbn_csf":["Part3.2","Part9"],"popia":["s10","s19"],"sa_js2":["JS2-7.1"],"bcbs_239":["Principle 11"],"bot_cyber":["Ch2.2"],"cpmi_pfmi":["CG.PR","PFMI.P17"],"eba_ict":["3.4.2"],"ecb_croe":["CROE.2.3.1"],"ffiec_is":["II.C.7","II.C.7(b)","II.C.13(a)","II.C.15","II.C.15(a)","II.C.15(b)","II.C.18"],"hipaa_sr":["§164.308(a)(3)(i)","§164.308(a)(3)(ii)(A)","§164.308(a)(3)(ii)(B)","§164.308(a)(4)(i)","§164.308(a)(4)(ii)(A)","§164.308(a)(4)(ii)(B)","§164.308(a)(4)(ii)(C)","§164.312(a)(1)","§164.314(b)(2)"],"iosco_cyber":["PROT-1"],"nydfs_500":["500.6","500.7"],"sebi_cscrf":["PR.AA"],"cmmc_2":["AC"],"nerc_cip":["CIP-004-7","CIP-005-7"],"nrc_73_54":["RG5.71-A-AC"],"tsa_psd":["SD-2 Sec B"],"ieee_1686":["5.1"],"ferc_cip":[],"doe_c2m2":["ACCESS"],"api_1164":["Sec 6"],"awia":["AWWA Sec 3"],"iaea_nss":["Sec 5.3"],"pci_pts":[],"fips_140":["FIPS 140-3 §7.4"],"cbest":[],"tiber_eu":["TIBER.CONF"],"pci_hsm":["1","4","5","8"],"common_criteria":["CC Part 2 — FDP","CC Part 2 — FMT"],"isae_3402":["Clause 4"],"fca_sysc_13":["SYSC 13.6.2","SYSC 13.7.3"],"fda_21_cfr_11":["§11.10(d)","§11.10(g)"],"fda_cyber":["SA-1","SA-4"],"hitrust_csf":["01.a","13.c","13.e"],"iso_27799":["9.1","9.3","9.5","H.4"],"lloyds_ms":["MS1.1","MS5.1","MS8.3"],"naic_ds":["4-access","4-audit","4B"],"nhs_dspt":["NDG-1.1","NDG-4.1","NDG-4.4"],"pra_ss1_23":["P2.4","P3.3","P3.6","P4.4","P-IT.1"],"solvency_ii":["EIOPA-ICT-4.4"],"owasp_masvs_v2":["MASVS-PRIVACY-1"],"csa_ccm_v4":["IAM-04","IAM-05","IAM-08","IAM-09","IAM-10","IAM-11","IAM-16","LOG-04"],"csa_aicm":["IAM-04","IAM-05","IAM-08","IAM-09","IAM-10","IAM-11","IAM-16","IAM-18","IAM-19","LOG-04","MDS-07"],"ccss_v9":["1.03.5","1.04.3","1.05.1","1.05.3"],"mica":["Art.36(1)","Art.40(1)","Art.55(1)","Art.63(1)","Art.65(1)","Art.67(1)","Art.86(1)","Art.92(1)","Art.97(1)"],"basel_sco60":["SCO60.55","SCO60.61","SCO60.62","SCO60.64","SCO60.66","SCO60.72"],"bssc":["GSP-11","KMS-04","KMS-05","KMS-06","KMS-09","NOS-05","NOS-08","TIS-07"],"sec_custody_digital":["SEC-CD-02","SEC-CD-03","SEC-CD-04","SEC-CD-05","SEC-CD-16"],"dpdpa":["Act.8(5)","Rules.6(1)(b)","Rules.Sch1.B.7"],"nist_ai_rmf_1":[],"eu_ai_act":["Art.4a"]},"metadata":{"last_reviewed":"2026-10-26","review_notes":"2026-10-03: baselines LMH to -MH, from NIST SP 800-53B Release 5.2.0. 2026-10-26: hipaa_sr §164.308(a)(4)(ii)(A) added from NIST's HIPAA Security Rule to SP 800-53 Rev 5.1.1 crosswalk (OLIR entry 110), which OSA's mapping now takes as its base. 2026-10-26: nerc_cip CIP-004-7, CIP-005-7 added from NIST and NERC's SP 800-53 Rev 5.2.0 to NERC CIP crosswalk (OLIR entry 232), which OSA's mapping now takes as its base.","mapping_status":"complete"},"function":"preventative","used_by_patterns":["SP-001","SP-002","SP-005","SP-013","SP-015","SP-016","SP-023","SP-026","SP-028","SP-029","SP-030","SP-032","SP-033","SP-035","SP-037","SP-040","SP-041","SP-042","SP-044","SP-045","SP-047","SP-050","SP-051","SP-053","SP-054"],"attack":{"techniques":268,"route":"/api/v1/controls/AC-06?fields=attack"}}}