adding security notice

Author: aar0np

.gitignore

@@ -14,4 +14,7 @@ __pycache__/
 
 *.log
 
-certs/
+certs/
+
+.vscode/
+vars

README.md

@@ -1,3 +1,19 @@
+# NOTICE - February 10, 2026
+
+This repository was temporarily offline following the confirmation of unauthorized activity within a limited number of our public DataStax GitHub repositories, listed below. Working with our internal incident response team, we worked to contain, remediate and investigate the activity.
+
+We followed established incident-response processes to review and to revert any unauthorized activity.
+
+Required Actions: Collaborators who interacted with this repository between January 31, 2026, and February 9, 2026, rebase your branch onto the new main / master. *Do not merge main / master into your branch!*
+
+At DataStax, we remain committed to your security and to transparency within the open-source community.
+
+Impacted Repositories:
+ - github.com/KillrVideo/killrvideo-2025-refresh
+ - github.com/KillrVideo/kv-be-python-fastapi-dataapi-table
+ - github.com/KillrVideo/kv-dataloader-csharp
+
+
 # KillrVideo v2 – Python FastAPI Backend
 Date: June 2025