Amazon Web Services SCS-C02 Exam With Confidence Using Practice Dumps

Amazon GuardDuty provides intelligent threat detection and continuous monitoring for malicious or unauthorized behavior to protect AWS accounts and workloads. It satisfies the requirement for monitoring endpoints for anomalous network traffic.

AWS Certificate Manager (ACM) simplifies the process of provisioning, managing, and deploying SSL/TLS certificates. Configuring ELB with ACM ensures encryption in transit.

AWS KMS with S3 bucket policy using x-amz-server-side-encryption ensures that S3 objects are encrypted at rest using managed keys. Denying uploads that do not use SSE with a bucket policy enforces encryption at rest.

These three actions together satisfy the stated security requirements with minimal operational overhead.

Restrict Access Using S3 Bucket Policy:

Use theaws:SourceVpccondition key in the S3 bucket policy to ensure that requests are only allowed from the specified VPC ID.

Example Bucket Policy:

The following bucket policy ensures requests originate from the same VPC:

{

"Version": "2012-10-17",

"Statement": [

{

"Effect": "Allow",

"Principal": "*",

"Action": "s3:*",

"Resource": [

"arn:aws:s3:::example-bucket",

"arn:aws:s3:::example-bucket/*"

],

"Condition": {

"StringEquals": {

"aws:SourceVpc": "vpc-xxxxxxxx"

}

}

}

]

}

Advantages:

Prevents misuse of credentials in unauthorized VPCs.

Adds an additional layer of security by limiting S3 access to specific VPCs.

Test and Validate:

Verify that only requests from the allowed VPC can access the S3 bucket.

AWS S3 Bucket Policy Conditions

AWS Condition Keys for S3

Comprehensive Detailed Explanation with all AWS References

To resolve AccessDenied errors:

IAM Policy Validation:

Use IAM Access Analyzer to ensure that the policy attached to the role allows the necessary S3 actions (e.g., s3:GetObject).

Validate that the role is correctly assumed by the application.