> For the complete documentation index, see [llms.txt](https://docs.snyk.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.snyk.io/scan-fix-and-prevent/scan-with-snyk/snyk-code/snyk-code-security-rules.md).

# Snyk Code security rules

{% hint style="info" %}
Snyk Code rules are updated continuously. The list expands continually, and the rules may change to provide the best protection and security solutions for your code.
{% endhint %}

This page lists all security rules used by Snyk Code when scanning your source code for vulnerabilities.

Each rule includes the following information.

* Rule Name: The Snyk name of the rule.
* **Languages**: The programming languages to which this specific rule applies. Note that there might be two rules with the same name that apply to different languages.
* **CWE(s):** The [CWE numbers](https://cwe.mitre.org/) that are covered by this rule.
* **Security Categories**: The [OWASP Top 10 ](https://owasp.org/Top10/)(2021 edition) category to which the rule belongs to, if any, and if it is included in [SANS 25](https://www.sans.org/top25-software-errors/).

{% hint style="info" %}
\* XML listed in the language column applies only to NuGet XML files.
{% endhint %}


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