Cloud computing involves security challenges you might not encounter in an on-prem IT environment. With no perimeter or a vague perimeter, third-party access to your environment is easier compared to a traditional data center. Plus, cloud services rely on a shared responsibility model; the provider is primarily responsible for physical security and application availability.
Therefore, instead of fortifying your physical perimeter, you need to focus on data flows and user and application activity across your infrastructure. Key areas to pay attention to include:
Security planning — Knowing how and why people and software applications use your data is crucial for determining how to properly secure it. Which data is critical to business operations? What can you afford to lose? Evaluate the sensitivity of your assets, map your data flows and understand your data lifecycle.
Risk assessment — Don’t let someone else find your vulnerabilities; be proactive. Look for and mitigate gaps in your security posture.
Security monitoring — Monitoring activity across your network and systems is essential for spotting active threats.
Regulatory compliance: Cloud environments like Amazon Web Services, Azure and Google Cloud provide guides for GDPR compliance and can help with other regulations as well. But keep in mind that compliance is ultimately your responsibility.
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