Access Control Policy
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Access Control Policy
Access Control Policy Company Name: Effective Date: Policy Owner: Approved By: Chief Information Security Officer: PURPOSE & SCOPE - This policy establishes the Organization's framework for managing access to information systems, applications, data, and physical facilities. It ensures that access is granted based on the principles of least privilege and need-to-know. - This policy applies to all access to the Organization's information assets, whether by employees, contractors, third-party service providers, or automated systems, across all environments including on-premise, cloud, and hybrid infrastructure. - The CISO shall be responsible for establishing access control standards, and data owners shall be accountable for authorising access to the systems and data within their domain. ACCESS PROVISIONING & ROLE-BASED ACCESS - Access to Organization systems shall be provisioned through a formal request and approval process. All access requests shall specify the systems, applications, and data required, the business justification, and the duration of access needed. - The Organization shall implement role-based access control, where access permissions are assigned to defined roles rather than to individual users. Role definitions shall be maintained by the IAM team and reviewed annually by data owners. - Segregation of duties shall be enforced to prevent any single individual from having access rights that could enable them to perform conflicting or high-risk activities without independent oversight or approval. - Temporary and emergency access shall be granted only with explicit approval and for a defined duration. Emergency access shall be logged, reviewed within 24 hours, and revoked immediately when no longer required. ACCESS REVIEW & CERTIFICATION - Access rights shall be reviewed at least quarterly for systems containing Confidential or Restricted data and at least semi-annually for all other systems. Data owners shall certify the continued appropriateness of each user's access. - Access rights shall be modified or revoked promptly when an employee changes role, transfers to a different department, takes extended leave, or is subject to disciplinary proceedings that warrant access restriction. - Dormant accounts that have not been used for 90 consecutive days shall be automatically disabled. Accounts that remain disabled for an additional 90 days without reactivation shall be permanently deleted. PHYSICAL ACCESS CONTROL - Physical access to the Organization's facilities, including offices, data centres, and server rooms, shall be controlled through electronic access systems, visitor management procedures, and security personnel as appropriate to the sensitivity of each area. - All visitors to Organization facilities shall be registered, issued a temporary visitor badge, and escorted by an authorised employee at all times while on the premises. Visitor access shall not extend to restricted areas without explicit approval. - Physical access events shall be logged by the electronic access control system and retained for a minimum of 12 months. The security team shall review access logs for anomalies and shall investigate unauthorised access attempts. COMPLIANCE & POLICY REVIEW - The IAM team shall produce monthly access management metrics including provisioning turnaround times, access review completion rates, dormant account counts, and segregation of duties violations for review by the CISO. - Violations of this policy, including unauthorised access, failure to complete access reviews, or circumvention of access controls, shall result in disciplinary action proportionate to the severity of the violation. - This policy shall be reviewed at least annually by the CISO in consultation with the IAM team, data owners, and Legal Counsel. Updates shall reflect changes in the Organization's access control infrastructure, threat landscape, and regulatory requirements.
Everything you need to know
01What Is an Access Control Policy?
An access control policy defines who can access which systems, data, and physical spaces, and under what conditions. It is built on the principle of least privilege: people get only the access they need to do their jobs, nothing more. The policy covers how access is requested, approved, reviewed, and revoked, ensuring that permissions match current roles rather than accumulating over time.
02Why Companies Need an Access Control Policy
Excessive or forgotten access is a major security and compliance risk, especially when employees change roles or leave. An access control policy limits the damage a compromised account or insider can do and creates an auditable trail of who approved what. It is a core requirement for frameworks like ISO 27001 and SOC 2 and a foundation for protecting sensitive customer and business data.
03What an Access Control Policy Should Include
Document the request and approval workflow, role-based access levels, and the principle of least privilege. Define how often access is reviewed and by whom, and require prompt revocation during offboarding or role changes. Cover privileged and administrator accounts with extra controls, and address both digital systems and physical access to offices and server rooms.
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