diff --git a/odoo_whatsapp_hub/data/whatsapp_data.xml b/odoo_whatsapp_hub/data/whatsapp_data.xml
new file mode 100644
index 0000000..d7389ae
--- /dev/null
+++ b/odoo_whatsapp_hub/data/whatsapp_data.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<odoo>
+    <data noupdate="1">
+        <!-- Default WhatsApp Account (to be configured) -->
+        <record id="default_whatsapp_account" model="whatsapp.account">
+            <field name="name">WhatsApp Principal</field>
+            <field name="api_url">http://localhost:8000</field>
+            <field name="is_default">True</field>
+        </record>
+    </data>
+</odoo>
diff --git a/odoo_whatsapp_hub/security/ir.model.access.csv b/odoo_whatsapp_hub/security/ir.model.access.csv
new file mode 100644
index 0000000..dcd3225
--- /dev/null
+++ b/odoo_whatsapp_hub/security/ir.model.access.csv
@@ -0,0 +1,9 @@
+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+access_whatsapp_account_user,whatsapp.account.user,model_whatsapp_account,base.group_user,1,0,0,0
+access_whatsapp_account_manager,whatsapp.account.manager,model_whatsapp_account,base.group_system,1,1,1,1
+access_whatsapp_conversation_user,whatsapp.conversation.user,model_whatsapp_conversation,base.group_user,1,1,1,0
+access_whatsapp_conversation_manager,whatsapp.conversation.manager,model_whatsapp_conversation,base.group_system,1,1,1,1
+access_whatsapp_message_user,whatsapp.message.user,model_whatsapp_message,base.group_user,1,1,1,0
+access_whatsapp_message_manager,whatsapp.message.manager,model_whatsapp_message,base.group_system,1,1,1,1
+access_whatsapp_send_wizard,whatsapp.send.wizard,model_whatsapp_send_wizard,base.group_user,1,1,1,1
+access_whatsapp_mass_wizard,whatsapp.mass.wizard,model_whatsapp_mass_wizard,base.group_user,1,1,1,1