Key Features

• Ensures only authorized people can read the information (Confidentiality).
• Protects data from unauthorized changes (Integrity).
• Verifies the identity of users or devices (Authentication).
• Prevents denial of actions or transactions (Non-repudiation).
• Uses modern encryption techniques (e.g., AES, RSA) and hash functions (e.g., SHA-256).
• • Explains digital signatures, certificates, and password mechanisms.
  • Real-world examples and case studies for better understanding.
  • Coverage of both classical and modern cryptography.
  • Focus on cyber security principles and best practices.
  • Includes review questions and practical exercises.