A Company Discovers That Some IAM Users Have Been Storing

question 531

Multiple Choice

A company discovers that some IAM users have been storing their AWS access keys in configuration files that have been pushed to a Git repository hosting service. Which solution will require the LEAST amount of management overhead while preventing the exposed AWS access keys from being used?

• A) Build an application that will create a list of all AWS access keys in the account and search each key on Git repository hosting services. If a match is found, configure the application to disable the associated access key. Then deploy the application to an AWS Elastic Beanstalk worker environment and define a periodic task to invoke the application every hour.
• B) Use Amazon Inspector to detect when a key has been exposed online. Have Amazon Inspector send a notification to an Amazon SNS topic when a key has been exposed. Create an AWS Lambda function subscribed to the SNS topic to disable the IAM user to whom the key belongs, and then delete the key so that it cannot be used.
• C) Configure AWS Trusted Advisor and create an Amazon CloudWatch Events rule that uses Trusted Advisor as the event source. Configure the CloudWatch Events rule to invoke an AWS Lambda function as the target. If the Lambda function finds the exposed access keys, then have it disable the access key so that it cannot be used.
• D) Create an AWS Config rule to detect when a key is exposed online. Haw AWS Config send change notifications to an SNS topic. Configure an AWS Lambda function that is subscribed to the SNS topic to check the notification sent by AWS Config, and then disable the access key so it cannot be used.

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Definitions:

Long-Term Sources

Financing options available to a business that have a repayment period of more than one year, such as bonds or long-term loans.

Marketable Securities

Financial instruments that are easily convertible into cash, typically with high liquidity and short maturity periods, such as stocks and bonds.

Another Company

This term refers to an entity different from the one currently being discussed or involved.

Volatile Interest Rates

Interest rates that fluctuate frequently and unpredictably, often affecting borrowing and saving costs.