Gain insights into enforcing web app security best practices, such as HTTPS, defending against XSS and clickjacking, managing HTTP cookies, and warding off DDoS attacks.

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There are more vulnerabilities than ever when creating applications for the web, so it is extremely important that software developers enforce security best practices such as, how to add protection through HTTP headers.

In this course, you will start off by learning how to prevent fraudulent SSL certificates from being served to clients, before moving on to how to defend against XSS attacks and clickjacking. 

In the latter half of the course, you’ll learn security practices related to HTTP cookies, and tips around security tradeoffs that you’ll make in your day-to-day work. Towards the end, you’ll learn how to ward off DDoS attacks, which is crucial when your application scales.

This course will demystify web security, and help you stay on top of important security-related concerns in your web apps.

Web Application Security for the Everyday Software Engineer

I thought it would be fun to mention some of the most notable DDoS attacks that have happened over the years to give you a glimpse of what kind of nasty business this is.

## Baidu

In February 2018, GitHub reported incoming traffic of about 1.3 Terabytes of data per second. Take a moment to digest that number. In 2015, GitHub was also the target of the largest DDoS attack at the time, which was carried through injecting malicious code into the webpage that served Baidu, China's largest search engine, and by injecting more malicious code in Baidu's analytics scripts. 

If you're wondering what that script looked like, here's the un-obfuscated version:



I thought it would be fun to mention some of the most notable DDoS attacks that have happened over the years to give you a glimpse of what kind of nasty business this is.

# Baidu

In February 2018, GitHub reported incoming traffic of about 1.3 Terabytes of data per second. Take a moment to digest that number. In 2015, GitHub was also the target of the largest DDoS attack at the time, which was carried through injecting malicious code into the webpage that served Baidu, China's largest search engine, and by injecting more malicious code in Baidu's analytics scripts. 

If you're wondering what that script looked like, here's the un-obfuscated version:



In this lesson, we'll look at a few notable DDoS attacks.

Introduction

Understanding The Browser

HTTP

Protection through HTTP Headers

HTTP Cookies

Situationals

DDoS Attacks

Bug Bounty Programs

Conclusion

Notable DDoS Attacks

Baidu