diff --git a/IT/security/README.md b/IT/security/README.md
index 7fa8a3b2..1b35c0dd 100644
--- a/IT/security/README.md
+++ b/IT/security/README.md
@@ -33,3 +33,6 @@ https://geti2p.net/en/
 
 ### Also
 - https://github.com/bpmbpm/doc/tree/main/IT/CADES
+
+### WhatsApp
+- [Альтернативы для общения вместо WhatsApp](https://habr.com/ru/news/971482/#comment_29181148)