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September 10, 20257 min read

Cloud Security Best Practices: Protecting Your Data in AWS, Azure, and Google Cloud

Essential security configurations every business should implement when moving to the cloud.

CloudSecurity
Cloud Security Best Practices: Protecting Your Data in AWS, Azure, and Google Cloud

The cloud can be secure by default, but only if you configure it correctly. Misconfigurations are the leading cause of cloud breaches, not sophisticated attacks.

Start with identity and access management (IAM). Use the principle of least privilege: give users only the permissions they need. Audit access regularly and remove unused accounts.

Enable logging and monitoring from day one. CloudTrail (AWS), Azure Monitor, and Google Cloud Logging help you detect suspicious activity before it becomes a breach.

Encrypt data at rest and in transit. Most cloud providers offer this by default, but verify it's enabled. Use customer-managed keys for sensitive workloads.

Finally, backup your cloud data. Cloud providers protect against infrastructure failures, but not against accidental deletion or ransomware. You need your own backup strategy.

Key takeaways

  • Most cloud breaches come from misconfigurations. Lock down access and defaults.
  • Use least privilege and audit IAM regularly.
  • Turn on logging/monitoring from day one.
  • Encrypt data in transit/at rest and keep your own backup strategy.

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