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Deprecate CA2109 #32999

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Feb 11, 2023
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Deprecate CA2109 #32999

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5 changes: 5 additions & 0 deletions docs/fundamentals/code-analysis/quality-rules/ca2109.md
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Expand Up @@ -24,6 +24,11 @@ ms.author: gewarren

A public or protected event-handling method was detected.

> [!NOTE]
> This rule has been deprecated. It last shipped with Microsoft.CodeAnalysis.NetAnalyzers 7.0.0 NuGet package and the .NET 7 SDK.
>
> The rule was removed because the threat that the analyzer warned about (an untrusted intermediary hooking a privileged event handler to a privileged event invoker) hasn't existed since .NET Framework 4.5.

## Rule description

An externally visible event-handling method presents a security issue that requires review.
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