Odoo 18 introduces stronger user role-based access controls and tighter integration with two-factor authentication (2FA) systems. The platform enhances its protection against SQL injection, cross-site scripting (XSS), and cross-site request forgery (CSRF) through better sanitization of input fields. Regular security patches and updates are also easier to implement due to the modular nature of Odoo, ensuring that individual apps remain secure without disrupting the entire system​