AWS KMS Tutorial for Beginners | Encryption, Keys, & Secrets Explained

Learn AWS Key Management Service (KMS) in this beginner-friendly tutorial.
We break down how KMS creates, stores, and secures encryption keys across AWS — and how it protects your data at rest and in transit.

📚 What You’ll Learn:
🔐 What AWS KMS is and why encryption matters
🗝️ KMS key types: AWS Managed, Customer Managed, and AWS Owned
⚡ Symmetric vs Asymmetric keys explained
📦 Envelope encryption: How KMS encrypts data behind the scenes
✅ Key policies, permissions, administrators vs users
🔗 Using KMS with S3, EBS, RDS, Lambda, and Parameter Store
🔄 Key rotation & lifecycle best practices
💰 Cost optimization (API call costs, caching, choosing the right key type)

Perfect for students, cloud beginners, and professionals who want to secure data on AWS the right way.

👉 Don’t forget:
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🏁 Timestamp:
00:00 Introduction
00:30 What is AWS Key Management Service(KMS)
01:55 Why Encryption Matters
03:21 KMS Keys Explained
06:20 Symmetric & Asymmetric Keys
08:08 How KMS Encryption Works
09:40 Key Policies & Permissions
12:12 Creating Customer Managed Key
16:30 Using KMS with AWS Services
19:31 Best Practices
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