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AIM

Access and identity management is the set of policies, processes, and technologies used to manage digital identities and control their access to applications, systems, and data.

What Is Access and Identity Management?

Access and identity management connects an identity with the resources it is permitted to use. Identities include employees, contractors, customers, service accounts, and automated workloads.

The process covers more than signing in. Organizations must establish identities, grant appropriate permissions, update access when responsibilities change, and remove access when it is no longer justified.

Microsoft describes IAM as a framework for managing identities and their access. Authentication verifies an identity, while authorization determines what that identity may do.

How Does It Work?

A typical workflow follows the identity lifecycle:

Establish the identity: Create or register an account using an approved source.
Assign permissions: Grant access according to responsibilities, policies, and approvals.
Authenticate access: Verify the user or workload through appropriate credentials and controls.
Enforce authorization: Allow only permitted actions within each resource.
Reassess and revoke: Update permissions after role changes and verify removal during offboarding.

For example, a finance employee may need access to invoice records without permission to administer the accounting application. Successful authentication should not grant administrative rights.

What Are the Main Components?

Identity Lifecycle Management

Lifecycle management handles account creation, updates, and deactivation. It links business events, such as hiring or contract completion, to changes in access.

Authentication

Authentication checks who or what is requesting access. Controls include passwords, multifactor authentication, passkeys, certificates, and workload identity mechanisms.

Authorization and Access Management

Access management enforces decisions about available resources and permitted actions. Role-based and attribute-based policies can help apply these decisions consistently.

Single sign-on simplifies authentication across connected applications, but each application still needs appropriate authorization.

Privileged Access Controls

Administrative permissions require additional oversight. Depending on risk, organizations may use separate administrator accounts, time-limited privileges, credential vaulting, and session monitoring.

How Does IAM Differ From Identity Governance and Administration?

Identity governance and administration, or IGA, focuses on whether access is appropriate and how organizations manage access decisions.

It commonly includes access requests, certifications, separation-of-duties checks, and lifecycle administration. Access management focuses on enforcing access during use.

These capabilities overlap and should work together. A review that requests revocation is incomplete until the target system removes the permission.

Why Does It Matter to Enterprises?

Without consistent oversight, employees can accumulate permissions as they change roles. Contractors may retain accounts after an engagement ends, while service accounts can outlive their original purpose.

Effective controls help organizations:

Reduce unnecessary permissions
Apply consistent authentication policies
Automate approved access changes
Investigate identity-related activity
Document access decisions and verified removals

Results depend on application coverage, accurate identity data, and reliable integrations.

Frequently Asked Questions

Are AIM and IAM Different?

In this context, both refer to the same area. IAM is the standard acronym. Searches for “access identity management” generally concern the same capabilities.