Arsen is a cybersecurity SaaS allowing CISOs and cybersecurity expert to manage phishing simulations. Thanks to its intuitive interface and powerful attack engine, Arsen allows its users to create high-quality, custom made fake phishing campaigns in a few clicks. By submitting their organization to phishing campaigns in realistic conditions, they drastically increase the effectiveness of their training. Employees are submitted to real world conditions when facing the phishing simulation, allowing for a more realistic training and results. Based on multiple factors (campaign difficulty, user behavior, etc.), a security score is established and updated, allowing to understand and visualize its progress and the training ROI. Arsen also offers phishing reporting plugins for Microsoft Office 365 and Gmail.