What is the role of a Security Group, and how does it protect an EC2 instance?

Question

Muthuvel Chinnusamy · Accepted Answer

Security groups act as a firewall for EC2 instances that allows only authenticated users to access EC2 instances. It also control inbound and outbound traffic at the instance level rather than subnet level . We can protect an EC2 instances by restricting the inbound access, for example, limiting SSH access to specific corporate IP address rather than public Internet.

What is the role of a Security Group, and how does it protect an EC2 instance?

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