Odoo-Tutorial/employee_management/security/employee_security.xml

<odoo>
    <data noupdate="1">

        <!-- Category for your module -->
        <record id="module_category_employee_management" model="ir.module.category">
            <field name="name">Employee Management</field>
            <field name="description">Access rights for employee management</field>
            <field name="sequence">10</field>
        </record>

        <!-- Admin Group -->
        <record id="group_employee_admin" model="res.groups">
            <field name="name">Employee Admin</field>
            <field name="category_id" ref="employee_management.module_category_employee_management"/>
        </record>

        <!-- User Group -->
        <record id="group_employee_user" model="res.groups">
            <field name="name">Employee User</field>
            <field name="category_id" ref="employee_management.module_category_employee_management"/>
        </record>

    </data>
</odoo>