Update SECURITY.md

ruslansenatorov · web-flow · commit 89b160bccd90 · 2026-02-28T22:49:56.000+03:00
Signed-off-by: Ruslan Senatorov &lt;55090151+ruslansenatorov@users.noreply.github.com&gt;
diff --git a/SECURITY.md b/SECURITY.md
@@ -101,7 +101,9 @@ Do not:
 For critical security abuse or threats, contact:
 
 ```
-security@lbfgs-solver-course.org
+
+https://t.me/RuslanSenatorov
+
 ```
 
 ---
