Cryptography & Network Security Basics: Goals, Attacks, & Defense Mechanisms 🔐

In this video we take a look at:
1) Security Goals
2) Security Attacks
3) Security Services
4) Security Mechanisms
5) Relations between Security Services and Mechanisms
6) Cryptographic Techniques
7) Symmetric, Asymmetric Key Encipherment & Hashing
8) Steganography: Historical and Modern Use




Introduction: (0:00)
Security Goals: (0:47)
Security Attacks (Goals): (3:05)
Security Attacks (System): (10:16)
Security Services: (12:50)
Security Mechanisms: (16:37)
Relations between Security Services and Mechanisms: (22:58)
Techniques: (24:46)
Symmetric-Key Encipherment: (25:22)
Asymmetric-Key Encipherment: (28:46)
Hashing: (31:50)
Steganography Historical Use: (32:32)
Steganography Modern Use: (33:34)
Outro: (36:15)