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ASP.NET Core 5 Secure Coding Cookbook

ASP.NET Core 5 Secure Coding Cookbook

By : Roman Canlas
5 (6)
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ASP.NET Core 5 Secure Coding Cookbook

ASP.NET Core 5 Secure Coding Cookbook

5 (6)
By: Roman Canlas

Overview of this book

ASP.NET Core developers are often presented with security test results showing the vulnerabilities found in their web apps. While the report may provide some high-level fix suggestions, it does not specify the exact steps that you need to take to resolve or fix weaknesses discovered by these tests. In ASP.NET Secure Coding Cookbook, you’ll start by learning the fundamental concepts of secure coding and then gradually progress to identifying common web app vulnerabilities in code. As you progress, you’ll cover recipes for fixing security misconfigurations in ASP.NET Core web apps. The book further demonstrates how you can resolve different types of Cross-Site Scripting. A dedicated section also takes you through fixing miscellaneous vulnerabilities that are no longer in the OWASP Top 10 list. This book features a recipe-style format, with each recipe containing sample unsecure code that presents the problem and corresponding solutions to eliminate the security bug. You’ll be able to follow along with each step of the exercise and use the accompanying sample ASP.NET Core solution to practice writing secure code. By the end of this book, you’ll be able to identify unsecure code causing different security flaws in ASP.NET Core web apps and you’ll have gained hands-on experience in removing vulnerabilities and security defects from your code.
Table of Contents (15 chapters)
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Preventing clickjacking

Clickjacking occurs when your web application allows itself to render inside a nefarious website (typically through IFrames), thus altering the whole UI. The user is then presented with a different-looking page, tricking them into executing an unbeknownst action on your web application by having the user think that they are interacting with the deceiving page, while they are actually entering information and clicking buttons on your web application instead.

To protect your ASP.NET Core web application from falling victim to clickjacking exploitation, you can implement a CSP that will stop an IFrame from a malicious website from rendering your web app.

Getting ready

We will be using the Online Banking app we used in the previous recipe here. Run the sample app to verify that there are no build or compile errors. In your command shell, navigate to the sample app folder at \Chapter12\clickjacking\before\OnlineBankingApp and run the following command:

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ASP.NET Core 5 Secure Coding Cookbook
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