Cryptography and Network Security

The image represents the subject Cryptography and Network Security, which focuses on protecting digital information and securing communication over networks.

The central shield with a lock represents data protection and security. The digital globe represents global network communication. The encryption panel and golden key symbolize data encryption and cryptographic techniques. The laptop represents secure computer systems, while the firewall represents protection against unauthorized access and cyber threats.

The image highlights five important security concepts:

1. Data Confidentiality – Protecting information from unauthorized access.

2. Data Integrity – Ensuring information remains accurate and unchanged.

3. Authentication – Verifying the identity of users.

4. Secure Communication – Protecting information during transmission.

5. Firewall – Preventing unauthorized network access.

Overall: Cryptography and Network Security helps protect sensitive data, maintain privacy, and provide secure communication in the digital world.