Secure Coding in C# and .NET — 93% Off Coupon

Build secure .NET apps with OWASP, authentication, authorization, data protection, secrets, DevSecOps, and AI tools

⭐ 4.5 out of 5(834 students enrolled)Created by Trevoir WilliamsLast updated: 🌐 English

Course Overview - Key Takeaways

The following summarizes all verified data points for this course, including pricing, duration, instructor, and coupon validity. All data is sourced directly from Udemy and verified by CourseSpeak on .

•Course Title: Secure Coding in C# and .NET
•Provider: Udemy (listed via CourseSpeak)
•Instructor: Trevoir Williams
•Coupon Verified On: August 8, 2026
•Difficulty Level: All Levels
•Category: Development
•Subcategory: Software Engineering
•Duration: 8h of on-demand video
•Language: English
•Access: Lifetime access to all course lectures and updates
•Certificate: Official certificate of completion issued by Udemy upon finishing all course requirements
•Top Learning Outcomes: Apply secure coding principles to C# and .NET applications · Identify and fix common OWASP Top 10 vulnerabilities in ASP.NET Core apps · Secure APIs using authentication, authorization, JWT, roles, claims, and policies
•Prerequisites: Basic C# experience and the ability to run simple .NET applications · Familiarity with Visual Studio or Visual Studio Code
•Price: $9.99 with coupon / Regular Udemy price: $149.99. Applying this coupon saves you $140.00 (93% OFF).
•Coupon: Click REDEEM COUPON below to apply discount
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What You'll Learn

This course gives you the following verified skills and competencies in Development:

✓Apply secure coding principles to C# and .NET applications .
✓Identify and fix common OWASP Top 10 vulnerabilities in ASP.NET Core apps .
✓Secure APIs using authentication, authorization, JWT, roles, claims, and policies .
✓Prevent SQL injection, XSS, command injection, insecure deserialization, and excessive data exposure .
✓Protect secrets, connection strings, API keys, and tokens in local and cloud environments .
✓Use encryption, hashing, TLS, and secure logging to protect sensitive data .
✓Review and improve AI-generated code from GitHub Copilot using secure coding practices .
✓Add dependency scanning, static analysis, and secure CI/CD checks to .NET workflows .
✓Apply DevSecOps practices using GitHub Actions, Azure DevOps, Docker, and secure configuration .
✓Build a practical security mindset for designing, coding, testing, and deploying .NET applications.

Course Requirements & Prerequisites

The following background knowledge and tools are recommended before starting this course. Students without these prerequisites may still enroll but should expect a steeper learning curve:

•Basic C# experience and the ability to run simple .NET applications
•Familiarity with Visual Studio or Visual Studio Code
•Basic understanding of APIs, HTTP requests, and databases
•No prior cybersecurity experience required

About This Udemy Course

The following is the full official course description as published on Udemy by instructor Trevoir Williams. It covers the curriculum structure, teaching methodology, and topic scope for this Development course:

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Course Comparison

Compare features side by side to find the best course for your needs.

FeatureCURRENT
ProviderUdemyUdemy
Price
$9.99$149.99-93%
$9.99$199.99-95%
Rating
4.5(834)
4.6(16.5k)
Duration8h6h 30m
CouponAUGUST...RAHULS...
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Is the Secure Coding in C# and .NET Coupon Worth It?

Expert review by Josh Smith, Lead Course Reviewer at CourseSpeakUpdated Aug 8, 2026

The short answer is yes — provided the Development skills this course teaches actually line up with what you want to build. The regular price for Secure Coding in C# and .NET on Udemy is $149.99. The coupon code listed on this page drops that to $9.99 — a saving of $140.00, or 93% off the standard rate. Spread across 8h of on-demand video, that works out to roughly $1.25 per hour of content — less than the cost of a single chapter of most printed development textbooks.

A discount is only worth something if the material delivers, and the curriculum here is built around practical outcomes. Trevoir Williams walks you through apply secure coding principles to C# and .NET applications, identify and fix common OWASP Top 10 vulnerabilities in ASP.NET Core apps, and secure APIs using authentication, authorization, JWT, roles, claims, and policies — concrete skills you can apply, not abstract theory. It has already been taken by 834 students and holds a 4.5-star average from verified reviews, which is a reasonable sign the content holds up in practice.

The bar to entry is low: Basic C# experience and the ability to run simple .NET applications; Familiarity with Visual Studio or Visual Studio Code. That makes it a realistic choice even if Development is unfamiliar territory. In practical terms, expect around 8h of on-demand video to work through at your own pace. The material is presented in English.

Pros

  • ✓Verified 93% price reduction.
  • ✓High learner satisfaction (4.5/5).
  • ✓Trusted by 834 students.
  • ✓Certificate + lifetime access.

Cons

  • !The coupon is time-limited — once it expires, the price tends to revert toward the standard $149.99.
  • !Lifetime access is tied to Udemy staying online; the platform can change its policies.
  • !Budget for the exercises and quizzes too — they add real time on top of the 8h of video.
JS
Josh Smith
Lead Course Reviewer
Credentials →

"At roughly $1.25 an hour of video, Secure Coding in C# and .NET is priced sensibly for what it actually covers — apply secure coding principles to C# and .NET applications and beyond. If Development is on your roadmap and you value the 4.5-star track record, this coupon is worth using while it's still valid."

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Final Verdict: Worth It
Saves you $140.00 against the standard Udemy price
New to redeeming coupons? Visit our step-by-step guide for detailed instructions on how to apply coupon codes.Coupon last verified August 8, 2026.At $9.99 you save $140.00 compared to the standard $149.99 price, and Udemy coupons are time-limited — redeem as soon as possible.

Course Rating Summary

This course holds an aggregate rating of 4.5 out of 5 based on 834 student reviews on Udemy. The distribution below shows the approximate percentage of students who gave each star rating.

4.5
834 Verified Ratings
5 stars
75%
4 stars
15%
3 stars
6%
2 stars
2%
1 star
2%

* Rating distribution is approximated from the aggregate score. Sourced from Udemy. Last verified: August 8, 2026.

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Instructor Profile

Background information on Trevoir Williams, the instructor responsible for this course on Udemy.

TW
Trevoir Williams
Udemy Instructor
Full Profile ↗
Subject Area
Development
Total Students
834+ enrolled
Rating
4.5 / 5.0
Course Duration
8h
Teaching Approach
Practical, project-based instruction built around real-world application of Development skills, with hands-on exercises and quizzes to reinforce each section.

Frequently Asked Questions

The following questions and answers cover the most common queries about this course, its coupon code, pricing, and enrollment process. All answers are based on verified data from Udemy as of August 8, 2026.

About the Author

Josh Smith
Josh Smith
Udemy Coupon Specialist

8+ years finding and verifying the best Udemy deals. Helped thousands of students save on premium courses through curated coupon codes and exclusive discounts.

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