Chapter 6 of 10 · Web Security Basics 60%

🔒 Firesheep let anyone on a coffee shop wifi hijack Facebook sessions in seconds, and it took the web 3 years to respond with HTTPS everywhere

TLS is what stands between your traffic and everyone listening on the same network. You'll trace the handshake, read certificates, and learn why missing HSTS headers still leave HTTPS sites exposed. 🛡️

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Web Security Basics

🔒 Firesheep let anyone on a coffee shop wifi hijack Facebook sessions in seconds, and it took the web 3 years to respond with HTTPS everywhere

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Course Chapters

HTTP requests and responses

URLs, domains, and DNS

HTML and the browser

Cookies and sessions

Authentication mechanisms

HTTPS and TLS

Same-origin policy and CORS

HTTP security headers

Common web vulnerabilities

Browser DevTools for recon