diff --git a/Core/Extensions/UserExtension.cs b/Core/Extensions/UserExtension.cs
index 1e63d24..ea0e28c 100644
--- a/Core/Extensions/UserExtension.cs
+++ b/Core/Extensions/UserExtension.cs
@@ -1,12 +1,17 @@
-using System.Text;
+using System;
+using System.Text;
 using Telegram.Bot.Types;
 
 namespace Kruzya.TelegramBot.Core.Extensions;
 
 public static class UserExtension
 {
+    [Obsolete("Insecure method, currently replaced to dummy text 'Chat Member'")]
     public static string ToHtml(this User user, bool byUsername = false)
     {
+        return "Пользователь";
+
+        /**
         var text = new StringBuilder();
         text.Append($"<a href=\"tg://user?id={user.Id}\">");
            
@@ -19,6 +24,7 @@ public static class UserExtension
             text.Append($"{user.FirstName} {user.LastName}".Trim().HtmlEncode());
         }
         return text.Append("</a>").ToString();
+        */
     }
 
     public static string ToLog(this User user)
diff --git a/modules/ChatManagement/Handler/Greet.cs b/modules/ChatManagement/Handler/Greet.cs
index fa1db42..c715976 100644
--- a/modules/ChatManagement/Handler/Greet.cs
+++ b/modules/ChatManagement/Handler/Greet.cs
@@ -27,26 +27,26 @@ public class Greet : BotEventHandler
         var message = RawUpdate.Message!;
         var members = message.NewChatMembers!;
         var reply = new HtmlString();
-        string membersHtml;
+        // string membersHtml;
         if (members.Length > 1)
         {
             reply.Code("Приветствуем новых участников!");
-            membersHtml = string.Join(", ", members.Select(u => u.ToHtml()));
+            // membersHtml = string.Join(", ", members.Select(u => u.ToHtml()));
         }
         else
         {
             reply.Code("Приветствуем нового участника!");
-            membersHtml = members.First().ToHtml();
+            // membersHtml = members.First().ToHtml();
         }
 
-        reply.Br().TextBr("{0}");
+        // reply.Br().TextBr("{0}");
 
         if (await _rulesService.HasRulesAsync(Chat))
         {
             reply.Text("Пожалуйста, ознакомьтесь с правилами. /rules");
         }
 
-        await Bot.SendTextMessageAsync(Chat.Id, string.Format(reply.ToString(), membersHtml), 
+        await Bot.SendTextMessageAsync(Chat.Id, string.Format(reply.ToString()/*, membersHtml*/), 
             parseMode: ParseMode.Html, replyToMessageId: message.MessageId);
     }
 }
\ No newline at end of file
diff --git a/modules/Reputation/Handler/Reputation.cs b/modules/Reputation/Handler/Reputation.cs
index bece4af..11878ab 100644
--- a/modules/Reputation/Handler/Reputation.cs
+++ b/modules/Reputation/Handler/Reputation.cs
@@ -160,6 +160,9 @@ public class Reputation : CommonHandler
     [Command("top", CommandParseMode.Both)]
     public async Task HandleTop()
     {
+        await Reply("This feature is currently disabled.");
+        return;
+
         var msg = new HtmlString();
         msg.TextBr("Топ репутации чата: ");
         var i = 1;