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WASEC: Web Application Security for the everyday software engineer

Everything a web developer should know about application security: concise, condensed and made to last.

Everything a software engineer should know about Web application security. How can I avoid a catastrophe if my CDN gets compromised? Do I still need CSRF tokens? This book will be the solid, concise read around security you always wanted in your library.

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About

About

About the Book

As software engineers, we often think of security as an afterthought: build it, then fix it later.

Truth is, knowing a few simple browser features can save you countless of hours banging your head against a security vulnerability reported by a user. This book is a solid read that aims to save you days learning about security fundamentals for Web applications, and provide you a concise and condensed idea of everything you should be aware of when developing on the Web from a security standpoint.

Don't understand prepared statements very well? Can't think of a good way to make sure that if your CDN gets compromised your users aren't affected? Still adding CSRF tokens to every form around? Then this book will definitely help you get a better understanding of how to build strong, secure Web applications made to last.

Security is often an afterthought because we don't understand how simple measures can improve our application's defense by multiple orders of magnitude, so let's learn it together.

Table of contents

  1. Introduction
  2. Understanding the browser
  3. HTTP(S)
  4. Protection through HTTP headers
  5. HTTP cookies
  6. Situationals
  7. DDoS attacks
  8. Bug Bounty Programs
  9. Final words

Upcoming chapters

  • Docker security
  • Kubernetes security
  • Penetration tests
  • Secret management
  • Leveraging other services

Author

About the Author

Alessandro Nadalin

Alessandro Nadalin (who likes to go by "Alex"), is a seasoned technical leader who pays a lot of attention to enterprise patterns, methodologies, communities and (everyone’s) personal development: with 10 years of experience on his back, he heavily focused his attention towards agile practices, patterns of enterprise application architecture, leading mid-sized development teams and managing complexity in distributed systems.

A forward-thinker by nature, he still loves to get his hands dirty with code, or testing new platforms: he's am quite active on github and, from time to time, blogs in his own little place on the internet.

He's been involved in projects for governments, mainstream companies such as Samsung or Nissan and pioneered the technology scene of e-commerce platforms in the Middle East: when not working, you can find him speaking at some conference, blogging or grabbing a bite in the old side of Dubai.

Contents

Table of Contents

Introduction

  1. Who this book is for
  2. Formatting
  3. Errata and additional content

Understanding the browser

  1. What does a browser do?
  2. Vendors
  3. Vendor or standard bug?
  4. A browser for developers
  5. Into the HTTP protocol

HTTP

  1. Overview
  2. Mechanics: HTTP vs HTTPS vs H2
  3. HTTPS
  4. HTTPS everywhere
  5. GET vs POST
  6. In HTTP headers we trust

Protection through HTTP headers

  1. HSTS
  2. HPKP
  3. HPKP gone wrong
  4. Expect-CT
  5. X-Frame-Options
  6. Content-Security-Policy
  7. X-XSS-Protection
  8. Feature policy
  9. X-Content-Type-Options
  10. CORS
  11. X-Permitted-Cross-Domain-Policies
  12. Referrer-Policy
  13. The reporting API
  14. Testing your security posture
  15. Stateful HTTP: managing sessions with cookies

HTTP cookies

  1. What’s behind a cookie?
  2. Session and persistent cookies
  3. Host-only
  4. Supercookies
  5. Unwanted Verizon ads
  6. Cookie flags that matter
  7. Circumventing HttpOnly
  8. Cookie flags are important
  9. Alternatives
  10. What would LeBron do?

Situationals

  1. Blacklisting versus whitelisting
  2. Logging secrets
  3. Never trust the client
  4. Generating session IDs
  5. Querying your database while avoiding SQL injections
  6. Prepared statements: behind the scenes
  7. Dependencies with known vulnerabilities
  8. Have I been pwned?
  9. Session invalidation in a stateless architecture
  10. My CDN was compromised!
  11. The slow death of EV certificates
  12. Paranoid mode: on
  13. Low-priority and delegated domains
  14. OWASP
  15. Hold the door

DDoS attacks

  1. Anatomy of a DDoS
  2. Why would anyone bomb me?
  3. Notable DDoS attacks
  4. Don’t panic: some services to the rescue!
  5. Hackers welcome

Bug Bounty Programs

  1. What’s in a program?
  2. security.txt
  3. HackerOne
  4. Dealing with researchers
  5. “Malicious” reporters
  6. We’re about to wrap it up

This is the end

  1. Forget safe. Make it safer.
  2. In the works
  3. A few thank yous

Changelog

  1. 2020-03-14
  2. 2020-02-07
  3. 2020-01-20
  4. 2019-12-14
  5. 2019-11-30
  6. 2019-11-25

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