muk_base/muk_security/security/security.xml

<?xml version="1.0" encoding="UTF-8"?>

<!--     
	Copyright (C) 2017 MuK IT GmbH
	
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as
    published by the Free Software Foundation, either version 3 of the
    License, or (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>. 
-->

<odoo>

<record id="rule_security_groups_user" model="ir.rule">
    <field name="name">User can only edit and delete their own groups.</field>
    <field name="model_id" ref="model_muk_security_groups"/>
    <field name="groups" eval="[(4, ref('base.group_user'))]"/>
    <field name="perm_read" eval="0"/>
    <field name="perm_create" eval="0"/>
    <field name="perm_write" eval="1"/>
    <field name="perm_unlink" eval="1" />
    <field name="domain_force">[('create_uid','=',user.id)]</field>
</record>

<record id="rule_security_groups_manager" model="ir.rule">
    <field name="name">Admins can edit and delete all groups.</field>
    <field name="model_id" ref="model_muk_security_groups"/>
    <field name="groups" eval="[(4, ref('base.group_erp_manager'))]"/>
    <field name="perm_read" eval="0"/>
    <field name="perm_create" eval="0"/>
    <field name="perm_write" eval="1"/>
    <field name="perm_unlink" eval="1" />
    <field name="domain_force">[(1 ,'=', 1)]</field>
</record>

</odoo>