Trusted Advisor
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Overview
Trusted Advisor acts as an automated second pair of eyes that monitors an AWS environment for any improvements that could be made for things like efficiency and cost. It uses a five-pillar approach to assess services for best practices including:
- Cost optimization
- Security
- Service Limits
- Performance
- Fault Tolerance
In the console, each of these categories will display notifications around how to make improvements and their potential impact on lowering cost and saving money. Green checks are ok, orange triangles require investigation, and red circles detail recommended actions.
An example would be if Trusted Advisor detects EC2 instances that are being underutilized, it would recommend turning them off or lowering resource allocation to save money. Another example is when it detects a security issue such as an open-access S3 bucket. Then, it will recommend to set rules to secure the files stored there.