To secure AWS resources 24-7 from unwanted attacks, the right combination of VPC, Network Access Control Lists (NACLs), and Security Groups are a must. AWS Security Groups are cloud firewalls that help protect applications and data.
AWS Security Groups (SGs) restrict access to certain IP addresses or resources. It guards your AWS security perimeter, always, provided you configure them in the right way! Here are the five best practices you can never ignore while configuring AWS SGs.