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ISC2 Systems Security Certified Practitioner (SSCP) Practice Question

A security analyst must be alerted whenever more than 20 failed SSH login attempts are recorded against any Amazon Linux EC2 instance within a five-minute window. The instances already stream their /var/log/secure files to a central CloudWatch Logs group. Which action will generate the metric that can be used to trigger a CloudWatch alarm while keeping costs minimal?

  • Enable detailed monitoring on the EC2 instances and configure a CloudWatch alarm on the EC2 StatusCheckFailed metric.

  • Define a CloudWatch Logs metric filter for the pattern "Failed password" in the log group and publish it as a custom metric.

  • Create VPC Flow Logs for each subnet and query them with Amazon Athena every five minutes using a scheduled query.

  • Turn on an AWS Config rule that evaluates security group ingress for port 22 and configure SNS notifications for non-compliant findings.

ISC2 Systems Security Certified Practitioner (SSCP)
Risk Identification, Monitoring and Analysis
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