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)