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© 2026 EpochZero Learn. Educational content for learning purposes.

Course Instructor: Ashish Revar

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Data Protection for Cloud Infrastructure
LearnCloudUnit 42

Topic 4.2 of Data Protection for Cloud Infrastructure

PKI, Certificate Lifecycle & Key Management

Certificate trust hierarchy, PKI operations, cloud-native PKI services, key lifecycle, and KMS vs HSM.

~35 min total·4 quadrants of structured content

By the end of this topic, you will

  • Trace a TLS certificate validation chain from end-entity to root CA
  • Perform certificate operations using AWS ACM and Azure Key Vault
  • Apply the key lifecycle from generation through secure destruction
  • Distinguish KMS from HSM and select appropriately
Q1 · E-TUTORIAL (2)Q2 · E-CONTENT (1)Q3 · WEB RESOURCES (12)Q4 · SELF-ASSESSMENT (2)

Quadrant 1 · e-Tutorial

Video lectures and walkthroughs

Quadrant 2 · e-Content

Articles and case studies

cloud-security

PKI, Certificate Lifecycle & Key Management in the Cloud

How the certificate trust hierarchy works, the complete PKI lifecycle from issuance to revocation, cloud-native PKI services, and the key management practices that determine whether your encryption controls actually hold.

13 min read

Quadrant 3 · Web Resources

Downloadable material and curated external links

Downloadable reference material

EBook

Cloud Security — eBook

v2026

Open resource

Cheatsheet

Cloud Security — Cheatsheet

v2026

Open resource

MCQ Bank

Cloud Security — MCQ Bank

v2026

Open resource

Question Bank

Cloud Security — Question Bank

v2026

Open resource

External links

AWS Certificate Manager Developer Guide

Complete AWS ACM guide covering certificate issuance, auto-renewal, and integration with services.

AWS Certificate Manager Developer Guide

Complete AWS ACM guide covering certificate issuance, auto-renewal, and integration with services.

NIST SP 800-57: Recommendation for Key Management

The definitive NIST guidance on cryptographic key management including lifecycle, algorithms, and length.

NIST SP 800-57: Recommendation for Key Management

The definitive NIST guidance on cryptographic key management including lifecycle, algorithms, and length.

AWS CloudHSM Documentation

AWS CloudHSM setup, usage, and FIPS 140-2 Level 3 compliance documentation.

AWS CloudHSM Documentation

AWS CloudHSM setup, usage, and FIPS 140-2 Level 3 compliance documentation.

Let Encrypt — Certificate Authority Overview

How Let Encrypt issues and renews free TLS certificates using the ACME protocol.

Let Encrypt — Certificate Authority Overview

How Let Encrypt issues and renews free TLS certificates using the ACME protocol.

Quadrant 4 · Self-Assessment

Test your knowledge — earn a certificate on first pass

Data Protection in the Cloud

Envelope encryption, AES modes, post-quantum cryptography, tokenisation, PKI, key management models, and IAM.

20 questions30 minPass: 60%

Cloud Security: Complete Assessment

Comprehensive 120-question assessment covering all six chapters of the Cloud Security eBook 2026.

120 questions120 minPass: 60%