1. 1.1 Securityhistorical

    Overview of transport threats, web security, and common attacks.

  2. 1.2 Base64historical

    Base64 encoding, process, use cases, and comparison with URL encoding.

  3. 1.3 Hashhistorical

    Hash concepts, properties, use cases, MD5, and SHA-256.

  4. 1.4 Encryptionhistorical

    Symmetric encryption, block modes, asymmetric encryption, RSA, and basic implementation.

  5. 1.5 Message Authentication Codehistorical

    Purpose, process, limitations, and HMAC.

  6. 1.6 Digital Signaturehistorical

    Digital signatures, certificates, and CA trust chains.

  7. 1.7 SQL Injectionhistorical

    Cause of SQL injection and defense with parameterized queries.

  8. 1.8 CSRFhistorical

    CSRF, same-origin policy, and common defenses.

  9. 1.9 XSShistorical

    XSS causes and defenses such as contextual output encoding.

  10. 1.10 SYN Attackhistorical

    TCP half-open connections, SYN Flood detection, and defenses.