Why Identity Resilience Is Essential to Cyber Resilience

Summary

The article argues that organizations need resilient identity systems to restore access to critical applications after cyber incidents. It recommends mapping identity dependencies, monitoring configuration drift, and validating recovery processes.

Key points

• Identity infrastructure must be recoverable for organizations to restore access to applications and sustain operations after an incident.
• The 2017 NotPetya attack severely disrupted Maersk’s Active Directory; one surviving domain controller helped the company rebuild its identity environment.
• Enterprises may rely on many applications and multiple identity providers, making post-incident reconnection and recovery complex.
• Identity resilience also needs to address operational failures, including administrator mistakes and configuration drift from upstream systems.
• Identity and IT operations teams should map their identity estate and dependencies, including Active Directory, workforce identity providers, and customer identity providers.
• The article recommends monitoring changes and drift, establishing known-good states, and validating recovery processes against critical business needs.

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