AWS Inspector
Amazon Inspector is an automated vulnerability management service that continuously scans AWS workloads for software vulnerabilities and unintended network exposure.
What is Inspector? (Simple Explanation)
Inspector is an AWS service in the Security category. Amazon Inspector is an automated vulnerability management service that continuously scans AWS workloads for software vulnerabilities and unintended network exposure.
When Would You Use Inspector?
- EC2 OS and application vulnerability scanning
- Container image CVE scanning in ECR
- Lambda function vulnerability assessment
- Network reachability analysis
Who Uses Inspector?
From startups to enterprises, Inspector powers:
What Makes Inspector Powerful
Inspector Pricing & Free Tier
Core security services (IAM, KMS, CloudTrail, Shield Standard) are always free. Advanced features (GuardDuty, WAF, Shield Advanced) have per-usage pricing.
Inspector Best Practices
- 1Enable MFA on all IAM users and root account
- 2Never use root account for daily tasks — create IAM users with least privilege
- 3Enable CloudTrail across all regions with log file validation
- 4Rotate access keys every 90 days and never commit them to source control
- 5Use IAM roles for EC2/Lambda/ECS instead of long-term access keys
Getting Started with Inspector in 5 Minutes
- 1Open the AWS Console and navigate to Inspector
- 2Review the default settings — most security services are pre-configured with best-practice defaults
- 3Define your policies, rules, or detection scope based on your environment
- 4Enable logging to CloudTrail and set up alerts to SNS for critical findings
Inspector CLI Quick Reference
2 production-ready commands. Full CLI Library (225+ services) →
aws inspector2 helpView all Inspector CLI v2 commands and subcommandsaws inspector2 describe-inspector2 --helpView options for describing Inspector resourcesPros & Cons of Inspector
Pros
- Continuous vulnerability scanning (no scheduled scans needed)
- SCA for application packages and dependencies
- Integration with ECR for image push-time scanning
- CIS benchmark evaluations for EC2
- Risk scoring with exploitability context
Cons
- ✕Proper IAM policy design has a steep learning curve — overly permissive policies are common
- ✕Root account is a single point of failure if MFA is lost
- ✕CloudTrail logs can become expensive at scale without lifecycle management
Inspector vs Alternatives
Inspector vs EC2
Choose Inspector for EC2 OS and application vulnerability scanning and Container image CVE scanning in ECR. It excels at continuous vulnerability scanning (no scheduled scans needed).
Choose EC2 as an alternative when your requirements differ. Each service in the Security category serves different architectural patterns.
Services That Work with Inspector
Inspector is rarely used alone. It is typically combined with:
Compliance & Security
How AWS Inspector fits into major compliance standards. Browse all 41 frameworks →
Inspector configuration is audited by CIS Benchmarks v1.5–v3.0 for secure cloud defaults.
NIST 800-53Inspector access controls, encryption, and audit logging map to NIST 800-53 AC, SC, and AU control families.
PCI DSS 4.0Inspector encryption, access control, and logging support PCI DSS for cardholder data environments.
SOC 2Inspector security, availability, and confidentiality controls evaluated under SOC 2 Trust Services Criteria.
ISO 27001Inspector configuration and monitoring controls map to ISO 27001 Annex A information security management.
Frequently Asked Questions About Inspector
What is AWS Inspector?
Amazon Inspector is an automated vulnerability management service that continuously scans AWS workloads for software vulnerabilities and unintended network exposure.
What is Inspector used for?
Inspector is commonly used for: EC2 OS and application vulnerability scanning; Container image CVE scanning in ECR; Lambda function vulnerability assessment; Network reachability analysis. It's a core service in the security category of AWS.
Is Inspector free?
Core security services (IAM, KMS, CloudTrail, Shield Standard) are always free. Advanced features (GuardDuty, WAF, Shield Advanced) have per-usage pricing.
What are the key features of Inspector?
Inspector's most important capabilities include: Continuous vulnerability scanning (no scheduled scans needed). SCA for application packages and dependencies. Integration with ECR for image push-time scanning. CIS benchmark evaluations for EC2. Risk scoring with exploitability context. Each of these is designed to help teams ec2 os and application vulnerability scanning.
How does Inspector compare to alternatives?
Inspector competes with both AWS-native alternatives (EC2, ECR, Lambda) and third-party equivalents. The right choice depends on your specific requirements for scalability, cost, and operational overhead. See the comparisons section below for detailed guidance.
Which compliance frameworks apply to Inspector?
CIS AWS v3.0: Inspector configuration is audited by CIS Benchmarks v1.5–v3.0 for secure cloud defaults. NIST 800-53: Inspector access controls, encryption, and audit logging map to NIST 800-53 AC, SC, and AU control families. PCI DSS 4.0: Inspector encryption, access control, and logging support PCI DSS for cardholder data environments. SOC 2: Inspector security, availability, and confidentiality controls evaluated under SOC 2 Trust Services Criteria. ISO 27001: Inspector configuration and monitoring controls map to ISO 27001 Annex A information security management.
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