Lesson 09 — Amazon Inspector, Vulnerability Management, Continuous Security Assessments & Enterprise Patch Governance

Learning Path

☁️ Phase 02 – AWS Cloud Security

📘 Module 13 – Enterprise Security Operations, Logging, Monitoring & Threat Detection

🎯 Lesson Objectives

By the end of this lesson, you will be able to:

Explain Amazon Inspector architecture.
Understand vulnerability management.
Enable Amazon Inspector across AWS Organizations.
Configure delegated administrator accounts.
Discover EC2 vulnerabilities.
Scan Amazon ECR container images.
Scan AWS Lambda functions.
Understand Common Vulnerabilities and Exposures (CVEs).
Prioritise vulnerabilities using CVSS scores.
Understand Amazon Inspector risk scoring.
Integrate Inspector with Security Hub.
Integrate Inspector with EventBridge.
Build enterprise vulnerability management workflows.
Design patch governance.
Manage software inventory.
Build enterprise compliance reporting.
Secure Amazon Inspector.
Design enterprise governance.
Apply vulnerability remediation strategies.
Apply Amazon Inspector best practices.

📚 Lesson Information

Area	Details
Estimated Time	8–10 Hours
Difficulty	Advanced
Prerequisites	Lesson 08 – Amazon Detective
Hands-on Labs	Yes
AWS Services	Amazon Inspector, AWS Organizations, Amazon EC2, Amazon ECR, AWS Lambda, Security Hub, EventBridge, Systems Manager

💼 Business Scenario

CloudNova Technologies has implemented:

Enterprise CloudTrail
Amazon CloudWatch
AWS Config
Amazon GuardDuty
AWS Security Hub
Amazon Detective

The Security Operations Centre (SOC) has excellent visibility into attacks and security events, but the organisation still lacks a proactive vulnerability management programme.

A recent internal audit identified:

EC2 instances running outdated operating systems.
Critical CVEs affecting production servers.
Unpatched container images stored in Amazon ECR.
Lambda functions using vulnerable third-party libraries.
Unsupported software versions.
Missing enterprise patch schedules.
No vulnerability prioritisation process.
Inconsistent remediation across business units.
Executive teams unable to measure enterprise vulnerability exposure.

The Chief Information Security Officer (CISO) asks:

“How can we continuously identify vulnerable resources, prioritise remediation and reduce our enterprise attack surface before attackers exploit these weaknesses?”

As CloudNova’s Cloud Security Architect, you are responsible for implementing Amazon Inspector as the enterprise vulnerability management platform.

1. Introduction to Amazon Inspector

Topics:

What is Amazon Inspector?
Why vulnerability management matters.
Continuous security assessments.
Automated vulnerability discovery.
Enterprise risk reduction.
Attack surface management.

2. Amazon Inspector Architecture

Explain:

Inspector Service
Resource Discovery
Vulnerability Database
Continuous Scanning
Findings
Risk Scoring
Integrations

Architecture Diagram

Amazon EC2

↓

Amazon ECR

↓

AWS Lambda

↓

Amazon Inspector

↓

Security Findings

↓

Security Hub

↓

EventBridge

↓

SOC

↓

Patch Management

3. How Amazon Inspector Works

Explain:

Resource discovery
Continuous scanning
Package analysis
CVE correlation
Risk prioritisation
Finding generation
Continuous reassessment

4. Supported Resource Types

Amazon Inspector scans:

Amazon EC2 Instances
Amazon ECR Container Images
AWS Lambda Functions

Explain how Inspector continuously monitors newly discovered resources.

5. Vulnerability Management Fundamentals

Topics:

Vulnerability
Exposure
Exploit
Risk
Remediation
Verification

Enterprise vulnerability lifecycle.

6. Common Vulnerabilities and Exposures (CVEs)

Explain:

What is a CVE?
CVE identifiers
National Vulnerability Database (NVD)
Vulnerability disclosure
Severity ratings

Examples of common Linux package vulnerabilities.

7. Common Vulnerability Scoring System (CVSS)

Topics:

Base Score
Temporal Score
Environmental Score

Severity:

Low
Medium
High
Critical

Discuss how CVSS supports enterprise prioritisation.

8. Amazon Inspector Findings

Explain:

Finding title
Resource
Severity
CVE
Package
Recommendation
Remediation guidance

Finding lifecycle.

9. EC2 Vulnerability Assessments

Review:

Operating system packages
Installed software
Missing security updates
Kernel vulnerabilities
Exposure analysis

10. Amazon ECR Container Scanning

Explain:

Image scanning
Container vulnerabilities
Base image security
Software dependencies
CI/CD integration

11. AWS Lambda Vulnerability Scanning

Topics:

Runtime vulnerabilities
Package vulnerabilities
Dependency analysis
Secure serverless development

12. Risk Prioritisation

Prioritise findings based on:

Severity
Exploitability
Internet exposure
Business criticality
Compliance impact
Asset value

13. Enterprise Patch Management

Explain:

Patch prioritisation
Maintenance windows
Change management
Emergency patching
Verification
Rollback planning

14. Vulnerability Remediation Workflow

Resource Discovery

↓

Amazon Inspector Scan

↓

Finding Generated

↓

Risk Assessment

↓

Patch Deployment

↓

Validation

↓

Compliance Verification

↓

Closure

15. Enterprise Integrations

Amazon Inspector integrates with:

AWS Security Hub
EventBridge
Systems Manager
Amazon ECR
AWS Lambda
AWS Organizations
Security Lake

16. Enterprise Governance

Govern:

Vulnerability ownership
Patch SLAs
Risk acceptance
Exception management
Reporting
Compliance evidence
Executive dashboards
Audit readiness

17. Amazon Inspector Threat Model

Threats include:

Unpatched operating systems
Vulnerable software packages
Outdated container images
Vulnerable Lambda dependencies
Unsupported software
Internet-facing critical vulnerabilities
Delayed patching
Mismanaged remediation

18. Enterprise Amazon Inspector Architecture

AWS Organizations

↓

Amazon Inspector

↓

EC2

↓

Amazon ECR

↓

AWS Lambda

↓

Security Hub

↓

EventBridge

↓

Systems Manager

↓

SOC

↓

Patch Management Team

19. Enterprise Vulnerability Management Lifecycle

Asset Discovery

↓

Continuous Assessment

↓

Risk Prioritisation

↓

Patch Planning

↓

Change Approval

↓

Patch Deployment

↓

Verification

↓

Compliance Reporting

↓

Continuous Monitoring

20. Enterprise Reporting

Executive dashboards should include:

Total vulnerabilities
Critical findings
High-risk assets
Patch compliance
Mean Time to Remediate (MTTR)
Business unit risk
Trend analysis
SLA compliance

🛠 Enterprise Labs

Lab 01

Enable Amazon Inspector Across AWS Organizations

Lab 02

Configure Delegated Administrator

Lab 03

Scan Amazon EC2 Instances

Lab 04

Investigate Critical CVEs

Lab 05

Scan Amazon ECR Container Images

Lab 06

Scan AWS Lambda Functions

Lab 07

Prioritise Enterprise Vulnerabilities

Lab 08

Integrate Inspector with Security Hub

Lab 09

Automate Vulnerability Notifications with EventBridge

Lab 10

Enterprise Vulnerability Assessment

💻 AWS Console Walkthrough

Students should configure:

Inspector Dashboard
Account Management
Coverage
Findings
Vulnerability Reports
Resource Inventory
Filters
Suppression Rules
Delegated Administrator
Organization Configuration

💻 AWS CLI Exercises

# Enable Amazon Inspector
aws inspector2 enable \
    --resource-types EC2 ECR LAMBDA

# List coverage
aws inspector2 list-coverage

# List findings
aws inspector2 list-findings

# Get finding details
aws inspector2 batch-get-finding-details

# List delegated administrators
aws inspector2 list-members

# List filters
aws inspector2 list-filters

✅ Verification Checklist

Students should be able to:

Explain Amazon Inspector architecture.
Enable Inspector across AWS Organizations.
Scan EC2 instances.
Scan ECR container images.
Scan Lambda functions.
Interpret CVEs.
Understand CVSS scoring.
Prioritise vulnerabilities.
Build enterprise patch strategies.
Integrate Inspector with Security Hub.
Design enterprise vulnerability management programmes.

🏢 Enterprise Best Practices

CloudNova standards:

Enable Amazon Inspector in every supported AWS Region.
Use AWS Organizations with delegated administration.
Continuously scan EC2, ECR and Lambda resources.
Prioritise remediation based on risk, exploitability and business impact.
Integrate Inspector with Security Hub and EventBridge.
Define remediation SLAs for Critical, High, Medium and Low findings.
Validate patches after deployment.
Review vulnerability trends monthly with executive leadership.
Integrate vulnerability management into CI/CD pipelines.
Document all accepted risks through formal governance.

🚫 Common Mistakes

Treating vulnerability scanning as a quarterly activity.
Ignoring Medium severity findings.
Scanning only EC2 while ignoring containers and Lambda.
Failing to prioritise internet-facing assets.
Delaying remediation of actively exploited vulnerabilities.
Ignoring patch verification.
Not integrating Inspector with Security Hub.
Allowing unsupported software to remain in production.
Failing to define remediation ownership.
Measuring success by the number of scans rather than reduced risk.

🧪 DIY Enterprise Challenge

Design CloudNova’s enterprise vulnerability management platform supporting:

500 AWS accounts
Multi-Region deployment
EC2 vulnerability scanning
Container image scanning
Lambda scanning
Security Hub integration
EventBridge automation
Patch governance
Executive reporting
Regulatory compliance

Prepare:

Enterprise Inspector architecture
Vulnerability management policy
Patch management workflow
Risk prioritisation model
Executive dashboard
Governance framework
Remediation SLA matrix
Continuous improvement roadmap

📊 Knowledge Check

Create and answer 50 enterprise-level questions covering:

Amazon Inspector architecture
EC2 vulnerability scanning
Amazon ECR scanning
AWS Lambda scanning
CVEs
CVSS scoring
Inspector findings
Risk prioritisation
Patch management
Security Hub integration
EventBridge integration
Enterprise governance
Vulnerability remediation
Compliance reporting
Continuous assessment

💡 Key Takeaways

After completing this lesson, you should be able to:

Deploy Amazon Inspector across enterprise AWS environments.
Continuously assess EC2 instances, container images and Lambda functions for vulnerabilities.
Interpret CVEs and prioritise remediation using risk-based approaches.
Integrate Inspector with Security Hub, EventBridge and Systems Manager.
Build enterprise vulnerability management and patch governance processes.
Reduce organisational attack surface through continuous assessment and timely remediation.

🚀 Next Lesson

➡️ Lesson 10 — Amazon EventBridge, Security Automation, SOAR & Event-Driven Incident Response