Password Protection & Encryption Basics

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About Course

This practical beginner-level course teaches the essentials of creating, storing, and protecting passwords plus the fundamentals of encryption that keep data safe. Learn password best practices, hashing and salting, symmetric & asymmetric encryption, key management, and how to use password managers and multi-factor authentication. The course blends explanations, demos, and hands-on exercises so learners can immediately strengthen their personal and organizational security.

What Will You Learn?

  • Create strong, memorable, and secure passwords
  • Understand hashing, salting, and why plain-text storage is dangerous
  • Explain symmetric and asymmetric encryption at a usable level
  • Use password managers safely and enable MFA correctly
  • Implement simple policies and incident steps after a credential breach
  • Apply best practices for key management and backups

Course Content

Course Introduction
Course overview & objectives Why passwords and encryption matter Real-world breach examples caused by weak passwords

Password Fundamentals
What makes a strong password (length, randomness, complexity) Common password mistakes and how attackers exploit them Passphrases vs passwords

Password Storage & Hashing
Why you should never store plain passwords Hashing explained (MD5, SHA family — concept, not for use) Salting: purpose and how it prevents rainbow table attacks Slow hashing algorithms (bcrypt, Argon2) — high-level overview

Encryption Basics
Difference: hashing vs encryption Symmetric encryption (AES) — concept & use-cases Asymmetric encryption (RSA, ECC) — public/private key idea When to use symmetric vs asymmetric

Key Management & Certificates
Importance of key storage and rotation Basic PKI concept and SSL/TLS role (high-level) Backups, hardware tokens, and secrets vaults (conceptual intro)

Password Managers & MFA
Benefits of password managers (local vs cloud) How to choose and configure a password manager (demo recommendation) Multi-Factor Authentication (OTP, Authenticator apps, SMS caveats, Hardware keys)

Practical Demonstrations
Creating a strong passphrase live demo Hashing + salting demo (conceptual, safe lab) Setting up a password manager (Bitwarden example) Enabling MFA on common services (demo screenshots / steps)

Policies, Best Practices & Incident Response
Password policies that actually work (length, reuse, rotation guidance) When to force rotation vs when not to What to do after a leak (reset, audit, forced MFA) Quick checklist & cheat-sheet

Course Quiz & Hands-on Assignment
Short MCQ quiz to test understanding Practical assignment: secure an account + submit screening steps

Summary & Next Steps
Recap of key takeaways Suggested next courses (Cryptography deeper dives, System Security) Certificate issuance instructions

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