The document, “Protection of Data”, covers key security measures to safeguard data, including encryption, authentication, firewalls, and biometric security. It details: Secure Data Storage: Encryption, digital certificates, SSL, firewalls, two-factor authentication, and passwords. Biometrics: Use of fingerprint scans, retina scans, and facial recognition, along with their benefits and drawbacks. Digital Certificates: Purpose, contents, and role in authentication. SSL (Secure Socket Layer): Encrypting online transactions to prevent eavesdropping. Threats & Solutions: Security solutions for phishing, hacking, and brute force attacks. Encryption & Firewalls: Purpose, types, and how they prevent attacks. Two-Factor Authentication (2FA): Process and importance. Passwords: Their role, advantages, disadvantages, and best practices.