Risk Level: High
Cloud Entity: AWS Security Group
CloudGuard Rule ID: D9.AWS.NET.11
Covered by Spectral: No
Category: Networking & Content Delivery
SecurityGroup should have isProtected = 'true'
In CloudGuard, there are two modes to manage Amazon AWSClosed Security Groups:
a. Full Protection
Full Protection provides the CloudGuard administrator with full control of AWS security policy definition, access leases, and can interact with dynamic policy objects.
In Full Protection mode, you can manage an AWS Security Group only through CloudGuard. CloudGuard detects attempts to change a security group from the AWS environment (such as the AWS console), which starts Tamper Protection and can send an alert/notification. CloudGuard overrides the change that is made and reverts to the definition of the Security Group defined in CloudGuard. The alerts and notifications initiated from Tamper Protection occur when you start Full Protection for the necessary regions in your cloud account. CloudGuard locks down the configuration of the security groups in that region to make sure that the security group stays correctly configured.
To make a change in a Security Group that has Tamper Protection enabled, the change is made in CloudGuard. Use following steps to configure a Security Group that has Tamper Protection enabled.
- Navigate to the Security Groups page in the Network Security menu.
- Select the Security Group to be modified.
- Make the necessary changes to the Security Group (for example, add or change Inbound or Outbound services).
- Save the changes.
A security group acts as a virtual firewall for your instance to control inbound and outbound traffic. When you launch an instance in a VPC, you can assign up to five security groups to the instance. Security groups act at the instance level, not the subnet level. Therefore, each instance in a subnet in your VPC could be assigned to a different set of security groups. If you don't specify a particular group at launch time, the instance is automatically assigned to the default security group for the VPC.
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Updated 3 months ago