Catalog
concept#Security#Integration#Architecture#Platform

Identity Management

Concept for centralized management of digital identities, authentication and authorization across systems.

Identity management encompasses concepts and processes for handling digital identities, authentication and authorization across systems.
Established
Medium

Classification

  • Medium
  • Organizational
  • Architectural
  • Intermediate

Technical context

LDAP / Active DirectoryIdentity providers via SAML / OpenID ConnectHR systems (e.g., personnel data APIs)

Principles & goals

Centralized authentication, decentralized authorization as needed.Least privilege: access only as required and time-limited.Auditing and traceability of all identity and entitlement changes.
Run
Enterprise, Domain

Use cases & scenarios

Compromises

  • Misconfiguration leads to over-privilege or locking out critical users.
  • Insufficient auditing complicates forensics and compliance evidence.
  • Insecure integrations may compromise identity data.
  • Automate provisioning/deprovisioning connected to a central HR source.
  • Enforce multi-factor authentication for privileged access.
  • Establish periodic recertification and least-privilege reviews.

I/O & resources

  • User master data (HR system, CSV, API)
  • Definition of roles and entitlement models
  • Directory or identity provider configuration
  • Provisioned accounts and access rights
  • Audit and compliance reports
  • Recertification and revocation events

Description

Identity management encompasses concepts and processes for handling digital identities, authentication and authorization across systems. It covers identity lifecycle, role- and access-management, and integrations with directories and IAM platforms. Emphasis is on auditable, automated and interoperable controls to provide secure, compliant and scalable access for users and services.

✔

  • Consistent access control and reduced security risk through central policies.
  • Automated provisioning and deprovisioning accelerate on/offboarding.
  • Improved compliance thanks to audit logs and certification processes.

✖

  • Complexity with heterogeneous legacy systems and non-standardized interfaces.
  • Initial effort for design, migration and role modeling.
  • Centralization can create single point of failure or performance bottlenecks.

  • Mean Time to Provision (MTTP)

    Average time from request to full entitlement assignment.

  • Number of over-privileged accounts

    Count of accounts holding more rights than required by the role model.

  • Audit coverage

    Percentage of relevant events that are captured and verifiable.

Keycloak for SSO and user management

Open-source IAM for centralized authentication, authorization and identity federation.

NIST SP 800-63 guidelines

Standardized recommendations on identity proofing, authentication and lifecycle management.

Directory integration with LDAP/Active Directory

Connectivity and synchronization of identity data between systems.

1

As-is analysis of existing accounts, entitlements and directories.

2

Define target architecture, role model and governance processes.

3

Select or configure an IAM/IdM platform and protocol integrations.

4

Migration, testing and phased rollout with monitoring.

5

Introduce recertification processes and continuous monitoring.

⚠️ Technical debt & bottlenecks

  • Patchwork integrations without central documentation.
  • Outdated protocols or crypto configurations not modernized.
  • Missing automation for provisioning workflows.
Provisioning performance under high user load.Synchronization latencies between directories.Complex mapping rules between roles and system entitlements.
  • Using central IdM only as auth proxy without maintaining entitlement models.
  • Manual provisioning under high user count instead of automation.
  • Storing sensitive identity data unencrypted in logs.
  • Underestimating effort for role definition and mapping.
  • Late implementation of recertification leads to over-privilege.
  • Ignoring latencies and consistency issues in synchronizations.
Understanding of authentication and authorization protocolsKnowledge of directory services and synchronizationExperience with IAM platforms and security governance
Security and compliance requirements (auditability, traceability).Scalability to handle growing numbers of users and services.Interoperability with existing directories and protocols (LDAP, SAML, OIDC).
  • • Privacy requirements and regional legislation.
  • • Limited interfaces to legacy systems.
  • • Budget and operational costs for highly available IdM components.