diff --git a/windows/security/threat-protection/msft-security-dev-lifecycle.md b/windows/security/threat-protection/msft-security-dev-lifecycle.md
index 6c23e09a9e..c16994d574 100644
--- a/windows/security/threat-protection/msft-security-dev-lifecycle.md
+++ b/windows/security/threat-protection/msft-security-dev-lifecycle.md
@@ -28,4 +28,4 @@ The Microsoft SDL is based on three core concepts:
 
 To learn more about the SDL, visit the [Security Engineering site](https://www.microsoft.com/en-us/securityengineering/sdl).
 
-And, download the [Simplified Implementation of the Microsoft SDL whitepaper](http://go.microsoft.com/?linkid=9708425).
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+And, download the [Simplified Implementation of the Microsoft SDL whitepaper](https://go.microsoft.com/?linkid=9708425).
\ No newline at end of file