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Software Security
  • README
  • Prerequisites
    • Prerequisites
  • Introduction
    • Cyber security principles
    • Basic web concepts
      • HTTP
      • JavaScript
      • Cookies
      • SQL
      • DOM
      • APIs and the multitier architecture
    • Basic browser security concepts
      • Same-Origin Policy (SOP)
      • Cross-Origin Resource Sharing (CORS)
      • Cookies
      • Tracking
    • Basic security concepts
      • Hashing
  • Access Control: Basics
    • Authentication
      • Passwords
      • Password managers
      • Attacking passwords - online
      • Attacking passwords - offline
    • Authorization
      • Insecure direct object references
    • Session Management
    • CSRF
      • CSRF: why & how it works
      • Protecting against CSRF attacks
    • SSRF
      • SSRF: how it works and how we can protect against it
  • Access Control: Advanced
    • Authentication
      • Federation
      • Alternative authentication mechanisms
      • FIDO2 and WebAuthn
  • Injection attacks
    • Injection attacks
    • SQL Injection
    • Command Injection
    • Cross-site scripting
      • Input validation
      • Context sensitive output encoding
      • About the HttpOnly flag
      • Content Security Policy
    • Subresource integrity
    • Sandboxing
  • HTTPS
    • HTTPS
    • Introduction to cryptography
    • PKI
    • Setting up HTTPS
    • References
  • HTTP Headers for security
    • HTTP Headers
  • Threat Modeling
    • Threat modeling introduction
    • Threat modeling basics
    • Inspiration for threats
  • Bringing it all together
    • A comprehensive overview of controls
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  1. Introduction

Basic browser security concepts

Developers create web applications that are accessed through browsers. Developers must have a basic understanding of how browsers work, in order to build secure web applications. Indeed, some default behaviour of browsers can have a positive (or negative) impact on security, and developers must be aware of these defaults as well as how to change such default behaviour if required.

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Last updated 3 years ago

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