To begin
The first threat arrives by message, not through a security hole
A message imitating your bank or a supplier lands in your inbox. In 2025, phishing was the leading threat reported to Cybermalveillance.gouv.fr, the French government's cyber-assistance service, across every type of victim, up 70%. This is not primarily an IT problem: it is a decision taken in a few seconds, between two tasks, in the everyday routine of your structure. Behind that click: your données personnelles, and that is exactly what this course teaches you to protect.