JavaScript Security Part 1

Go to Course: https://www.coursera.org/learn/javascript-security-part-1

Introduction

**Course Review: JavaScript Security Part 1 on Coursera** Are you ready to take your knowledge of web security to the next level? If JavaScript and web application security are areas of interest for you, then the "JavaScript Security Part 1" course on Coursera is an essential course that deserves your attention. ### Course Overview “JavaScript Security Part 1” is a meticulously crafted course aimed at uncovering the critical vulnerabilities present in JavaScript applications, specifically focusing on Cross-Site Scripting (XSS) and Cross-Site Request Forgery (CSRF). The course is divided into two main modules: "XSS and JavaScript Remote Code Execution" and "CSRF and Browser Security," allowing students to develop a comprehensive understanding of both attack vectors and the security measures necessary to mitigate them. ### Syllabus Breakdown #### XSS and JavaScript Remote Code Execution In this section, you will delve into the world of Cross-Site Scripting (XSS), which is considered one of the most prevalent threats against JavaScript web applications. The course provides a thorough examination of various types of XSS attacks, including: - **Reflected XSS**: Learn how attackers can inject harmful scripts into a web application and reflect them back to users. - **Stored XSS**: Understand the implications of XSS attacks where malicious scripts are saved on the server and delivered to users who access these resources. - **DOM-Based XSS**: Explore how manipulation of the Document Object Model (DOM) can lead to exploitation opportunities. Moreover, the course offers an extensive discussion on Content Security Policy (CSP) and the use of trusted types—vital tools that help developers enhance their applications' resilience against such attacks. This section is highly informative, providing you with not just theoretical knowledge but practical guidance on defending against XSS. #### CSRF and Browser Security The second module shifts focus to Cross-Site Request Forgery (CSRF), a dangerous type of attack that can result in unauthorized actions being performed on behalf of authenticated users. The course will help you: - Grasp the mechanics of CSRF attacks and understand why they pose significant risks to web applications. - Examine real-world examples using Node.js to illustrate both back-end and front-end preventive measures against CSRF. - Gain insights into the various security mechanisms browsers employ, equipping you with the knowledge to leverage these defenses in your own web applications. Whether you are a front-end developer, back-end engineer, or a security enthusiast, this course will empower you with the skills to defend against prevalent web threats effectively. ### Why You Should Enroll 1. **Expert Instruction**: The course is designed and delivered by industry experts who bring a wealth of practical experience to the table. Their insights and guidance are invaluable for anyone looking to deepen their understanding of JavaScript security. 2. **Hands-On Learning**: With practical examples and demonstrations, you’ll have the chance to apply what you learn directly to real-world scenarios. This hands-on approach solidifies your understanding of complex concepts. 3. **Career Advancement**: In today’s digital landscape, understanding web application security is not just beneficial—it's essential. This course enhances your skill set, making you a more competitive candidate in the tech job market. 4. **Engaged Community**: By joining this course, you’ll become part of a vibrant community of learners. Engaging with peers can significantly enrich your learning experience and help you network with like-minded individuals. 5. **Flexibility**: As an online course offered on Coursera, you can learn at your own pace, making it easy to fit into your busy schedule. ### Conclusion In conclusion, if you are looking to fortify your web applications against the most common vulnerabilities, “JavaScript Security Part 1” is a must-take course. The extensive coverage of XSS and CSRF, coupled with practical examples and expert insights, will equip you with the tools needed to create safer, more secure applications. I highly recommend signing up for this course. Your journey to becoming a proficient web security developer starts here!

Syllabus

XSS and Javascript Remote Code Execution

This course explores cross-site scripting (XSS) in JavaScript. XSS attacks are arguably the main threat against JavaScript web applications. In this course, we will cover them in detail and leave no stone unturned as we check everything about reflected, stored, DOM-based XSS. We will extensively cover CSP and trusted types.

An exploration of cross-site request forgery, or CSRF. CSRF (cross-site request forgery) attacks can be disastrous for a website. In this course, we will learn exactly what they are and take a back-end (examples with Node.js) and front-end approach against them. Browsers have multiple security mechanisms to block certain attacks, and any web developer should have an idea of what these mechanisms are and how to use them.