# Enable CodeQL to secure your source code
_Ensuring the security of application source code is a critical step in modern software development. In this GitHub Skills course, you will learn to use GitHub code scanning to identify, resolve, and prevent insecure coding patterns._
Finish
Congratulations! You have completed this course! 🏆
Here's a recap of all the tasks you accomplished in your repository:
Enabled CodeQL on your repository.
CodeQL scanned the code in your repository and notified us of two SQL injection vulnerabilities.
Reviewed the findings, marked the findings as closed, and explored the audit trail.
Fixed your code in the main branch and saw that the findings automatically closed out.
Introduced a new vulnerability in a new branch.
Created a pull request, and were notified of the vulnerability.