A. In the same AWS account where the S3 bucket resides, update the bucket’s ACL to include the canonical user ID of the teams’ AWS accounts. Teams will specify the account number of the AWS account where the bucket is located when they read objects and write to objects in the bucket
B. In the same AWS account where the S3 bucket resides, create an IAM role that has appropriate permissions for the bucket. Include a trust policy that specifies the teams’ AWS accounts as the principals. Teams will assume the role when they read objects and write to objects in the bucket Most Voted
C. In the same AWS account where the S3 bucket resides, add a bucket policy to allow all the teams to read objects and write to objects in the bucket. Teams will specify the account number of the AWS account where the bucket is located when they read objects and write to objects in the bucket.
D. In the same AWS account where the S3 bucket resides, create an IAM user, an IAM group, and access keys for each team. Each team will share its access keys when the team reads objects and writes to objects in the bucket.