Examtopics

AWS Certified Security - Specialty

  • Topic 1 Question 212

    A company has a requirement that no Amazon EC2 security group can allow SSH access from the CIDR block 0.0.0.0/0. The company wants to monitor compliance with this requirement at all times and wants to receive a near-real-time notification if any security group is noncompliant.

    A security engineer has configured AWS Config and will use the restricted-ssh managed rule to monitor the security groups.

    What should the security engineer do next to meet these requirements?

    • Configure AWS Config to send its configuration snapshots to an Amazon S3 bucket. Create an AWS Lambda function to run on a PutEvent to the S3 bucket. Configure the Lambda function to parse the snapshot for a compliance change to the restricted-ssh managed rule. Configure the Lambda function to send a notification to an Amazon Simple Notification Service (Amazon SNS) topic if a change is discovered.

    • Configure an Amazon EventBridge event rule that is invoked by a compliance change event from AWS Config for the restricted-ssh managed rule. Configure the event rule to target an Amazon Simple Notification Service (Amazon SNS) topic that will provide a notification.

    • Configure AWS Config to push all its compliance notifications to Amazon CloudWatch Logs. Configure a CloudWatch Logs metric filter on the AWS Config log group to look for a compliance notification change on the restricted-ssh managed rule. Create an Amazon CloudWatch alarm on the metric filter to send a notification to an Amazon Simple Notification Service (Amazon SNS) topic if the alarm is in the ALARM state.

    • Configure an Amazon CloudWatch alarm on the CloudWatch metric for the restricted-ssh managed rule. Configure the CloudWatch alarm to send a notification to an Amazon Simple Notification Service (Amazon SNS) topic if the alarm is in the ALARM state.

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