For further information, visit www.audiciaux.fr, www.scobex-rgpd-dpo.fr and www.dpo-externe-rgpd-france.fr. This practical guide helps organisations implement ISO 27034 to secure their applications. It covers key principles, gap analysis, governance, integration of security into software development, risk and incident management, as well as auditing and certification. Templates, checklists and best practices facilitate compliance and continuous improvement.