What does Amazon Inspector provide?
It scans EC2 instances and the instance OS and containers looking for vulnerabilities and deviations against best practice.
When is does Amazon Inspector require an Agent to be installed?
For Host Assessments. For Network Assessments, not Agent is needed.
Does Amazon Inspector require an Agent to perform network reachability checks?
No. No Agent is required for Network Assessments.
What types of Host Assessments require an Agent for Amazon Inspector?