Cryptography and Network Security

Cryptography is the practice of protecting information by transforming it into a secure format, known as encryption, so only authorized parties can read it. Network security involves deploying measures—like firewalls, secure protocols, and authentication—to safeguard data as it travels across the internet or internal networks. Together, these fields ensure sensitive information remains confidential, authentic, and unaltered during transmission and storage, preventing unauthorized access, hackers, and cyber threats. In essence, cryptography and network security work together to keep digital communication private and trustworthy.