diff --git a/radar/2019-11-01/zero-trust.md b/radar/2019-11-01/zero-trust.md
index 823c632..e4d1049 100644
--- a/radar/2019-11-01/zero-trust.md
+++ b/radar/2019-11-01/zero-trust.md
@@ -48,6 +48,3 @@ Typical implementations involve using standards and tools for IAM and SSO, such
 While network segments and VPN connections may still be relevant in specific areas, AOE is increasingly implementing a Zero Trust approach in all solutions, components, and services.
 
 We are currently adopting best practices for Zero Trust, which align with the BeyondCorp framework and utilize the OAuth and OpenID Connect standards.
-
-## Additional References
-* [Keynote: "Zero Trust - The Hard Way", DevOpsCon Berlin 2023](https://www.youtube.com/watch?v=fCENO_Jt3QE)
diff --git a/radar/2023-02-23/zero-trust.md b/radar/2023-11-01/zero-trust.md
similarity index 56%
rename from radar/2023-02-23/zero-trust.md
rename to radar/2023-11-01/zero-trust.md
index f257563..5e040a6 100644
--- a/radar/2023-02-23/zero-trust.md
+++ b/radar/2023-11-01/zero-trust.md
@@ -5,3 +5,5 @@ quadrant:   methods-and-patterns
 tags:       [security, architecture]
 featured:   false
 ---
+
+Keynote: ["Zero Trust - The Hard Way"](https://www.youtube.com/watch?v=fCENO_Jt3QE), DevOpsCon Berlin 2023