A developer has created an AWS Lambda function in a company's development account. The Lambda function requires the use of an AWS Key Management Service (AWS KMS) customer managed key that exists in a security account that the company's security team controls. The developer obtains the ARN of the KMS key from a previous Lambda function in the development account. The previous Lambda function had been working properly with the KMS key.
When the developer uses the ARN and tests the new Lambda function an error message states that access is denied to the KMS key in the security account. The developer tests the previous Lambda function that uses the same KMS key and discovers that the previous Lambda function still can encrypt data as expected.
A security engineer must resolve the problem so that the new Lambda function in the development account can use the KMS key from the security account.
Which combination of steps should the security engineer take to meet these requirements? (Select TWO.)
A company is hosting multiple applications within a single VPC in its IAM account. The applications are running behind an Application Load Balancer that is associated with an IAM WAF web ACL. The company's security team has identified that multiple port scans are originating from a specific range of IP addresses on the internet.
A security engineer needs to deny access from the offending IP addresses.
Which solution will meet these requirements?
A company has AWS accounts that are in an organization in AWS Organizations. An Amazon S3 bucket in one of the accounts is publicly accessible.
A security engineer must change the configuration so that the S3 bucket is no longer publicly accessible. The security engineer also must ensure that the S3 bucket cannot be made publicly accessible in the future.
Which solution will meet these requirements?
A company controls user access by using IAM users and groups in AWS accounts across an organization in AWS Organizations. The company uses an external identity provider (IdP) for workforce single sign-on (SSO). The company needs to implement a solution to provide a single management portal to access accounts within the organization. The solution must support the external IdP as a federation source.
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