Cloud Migration Security Best Practices for Business

A practical cloud migration security guide covering identity, data, backups, network design, logging, cutover planning, and shared responsibility.

Inventory before migration

Document applications, data stores, identities, integrations, DNS, certificates, backups, dependencies, and business owners before changing infrastructure. Unknown dependencies are a common cause of migration outages.

Design identity first

Use strong authentication, least privilege, role-based access, conditional access where appropriate, and separate administrative identities. Identity controls should be designed before production data moves.

Protect data through the transition

Define encryption, backup, recovery, retention, transfer methods, and validation procedures. Test restoration before depending on a new environment for production.

Instrument the new environment

Centralize logging, alerting, performance monitoring, security events, and cost visibility. A migration is not complete if the team cannot quickly see what changed or why a service is failing.

Use a controlled cutover

Plan rollback criteria, maintenance windows, DNS changes, user communication, and validation steps. Verify authentication, critical workflows, integrations, backups, monitoring, and customer-facing functions before closing the old environment.

Need help implementing this?

Hatty AI can help assess the current environment, prioritize the next steps, implement the technical work, and document the system so your team has a clear operating plan.