diff --git a/addons/calendar/security/calendar_security.xml b/addons/calendar/security/calendar_security.xml
new file mode 100644
index 00000000000..80eb79553a0
--- /dev/null
+++ b/addons/calendar/security/calendar_security.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<openerp>
+    <data noupdate="1">
+
+        <record id="calendar_event_rule_my" model="ir.rule">
+            <field name="name">Own events</field>
+            <field ref="model_calendar_event" name="model_id"/>            
+            <field name="domain_force">[('partner_ids','in',user.partner_id.id)]</field>
+            <field name="groups" eval="[(4, ref('base.group_portal'))]"/>            
+        </record>
+
+        <record id="calendar_event_rule_employee" model="ir.rule">
+            <field ref="model_calendar_event" name="model_id"/>
+            <field name="name">All Calendar Event for employees</field>
+            <field name="domain_force">[(1,'=',1)]</field>
+            <field eval="[(4,ref('base.group_user'))]" name="groups"/>
+        </record>
+
+        <record id="calendar_attendee_rule_my" model="ir.rule">
+            <field name="name">Own attendees</field>
+            <field ref="model_calendar_attendee" name="model_id"/>            
+            <field name="domain_force">[(1,'=',1)]</field>
+            <field name="groups" eval="[(4, ref('base.group_portal'))]"/>            
+        </record>
+
+    </data>
+</openerp>