An Amazon API Gateway API invokes an AWS Lambda function that needs to interact with a software-as-a-service (SaaS) platform. A unique client token is generated in the SaaS platform to grant access to the Lambda function. A security engineer needs to design a solution to encrypt the access token at rest and pass the token to the Lambda function at runtime.
Which solution will meet these requirements MOST cost-effectively?

A. Store the client token as a secret in AWS Secrets Manager. Use the AWS SDK to retrieve the secretin the Lambda function.

B. Configure a token-based Lambda authorizer in API Gateway.

C. Store the client token as a SecureString parameter in AWS Systems Manager Parameter Store. Use the AWS SDK to retrieve the value of the SecureString parameter in the Lambda function.

D. Use AWS Key Management Service (AWS KMS) to encrypt the client token. Pass the token to the Lambda function at runtime through an environment variable.








 

Suggested Answer: B

Community Answer: C




This question is in SCS-C01 AWS Certified Security – Specialty Exam
For getting AWS Certified Security – Specialty Certificate


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