AI Features

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All LessonsFree Lessons (7)

Introduction

Introduction to the Course Who This Course Is For?Formatting Errata and Additional Content

Understanding The Browser

Browser Basics What Does a Browser Do?Vendors A Browser for Developers Quiz Yourself on Browsers

HTTP

Introduction to HTTP How HTTP Works Mechanics: HTTP vs HTTPS vs H2 Mechanics: Encryption HTTPS Everywhere GET vs POST Quiz Yourself on HTTP

Protection through HTTP Headers

HTTP Strict Transport Security

HTTP Public Key Pinning

X-Frame-Options

Content-Security-Policy

X-XSS-Protection

X-Content-Type-Options

Cross Origin Resource Sharing

X-Permitted-Cross-Domain-Policies & Referrer-Policy

The reporting API

Quiz Yourself on HTTP Headers

HTTP Cookies

Introduction HTTP Cookies What's Behind a Cookie?Session and Persistent Cookies Host-only Supercookies Encrypt it Or Forget it JavaScript Can't Touch This SameSite: The CSRF Killer Alternatives Conclusion: What Would LeBron Do?Quiz Yourself on HTTP Cookies

Situationals

Introduction to Situationals Denylisting vs. Allowlisting Logging Secrets Never Trust The Client Generating Session IDs Querying Your Database While Avoiding SQL Injections Dependencies With Known Vulnerabilities Have I Been Pwned?Session Invalidation in a Stateless Architecture My CDN Was Compromised!The Slow Death of EV Certificates Paranoid Mode: On Low-priority and Delegated Domains OWASP Hold The Door Quiz Yourself on Situationals

DDoS Attacks

Introduction to DDoS Anatomy of a DDoS Why Would Anyone Bomb Me?Notable DDoS Attacks Don't Panic: Some Services to The Rescue!Hackers Welcome Quiz Yourself on DDoS Attacks

Bug Bounty Programs

Introduction to Bug Bounty Programs What's in a Program?Security.txt HackerOne Dealing With Researchers Malicious Reporters Quiz Yourself on Bug Bounty Programs

Conclusion

This Is The End In the Works A Few Thank Yous

Project

Deploy an API to Production Using Nginx

Web Application Security for the Everyday Software Engineer

Expect-CT

In this lesson, we'll study the Expect-CT header.

We'll cover the following...

- Why Expect-CT?
- Sample header

Why `Expect-CT`?

The goal of Expect-CT is to inform the browser ...