The Shared Responsibility Model in AWS is a framework that outlines the security responsibilities shared between AWS and its customers. This model helps ensure the security and compliance of cloud environments.
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AWS Responsibilities (Security of the Cloud):
- Physical Security: AWS is responsible for the physical security of its data centers, including access controls, surveillance, and environmental controls.
- Infrastructure Security: AWS manages the security of the underlying infrastructure, such as hardware, networking, and virtualization layers.
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- Host Operating System Security: AWS is responsible for patching and securing the host operating systems.
Customer Responsibilities (Security In the Cloud):
- Guest Operating System Security: Customers are responsible for patching and securing the guest operating systems (e.g., Linux, Windows) they run on AWS instances.
- Application Security: Customers are responsible for the security of their applications, including secure coding practices, vulnerability scanning, and patching.
- Data Security: Customers are responsible for protecting their data, including encryption, access controls, and data classification.
- Network Security: Customers are responsible for configuring network security groups and security group rules to control inbound and outbound traffic to their instances.
- Identity and Access Management (IAM): Customers are responsible for managing user identities and access permissions within their AWS accounts.
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Shared Controls:
Some security controls are shared between AWS and customers. For example, both parties are responsible for implementing strong password policies and multi-factor authentication.
By understanding the Shared Responsibility Model, customers can effectively manage their security posture on AWS and minimize the risk of security breaches.
