This course is part of the S³ School initiative, carried out in the framework of the European projects OSCARS and EVERSE. The S³ School is a structured training program dedicated to advancing skills in open science, reproducible research, and sustainable scientific software development. It brings together researchers, engineers, and students to promote best practices in scientific computing, with a strong emphasis on transparency, reproducibility, and the long-term sustainability of research software across disciplines.

This presentation provides a practical roadmap for maintaining security in academic and technical environments. It focuses on individual habits, secure software development, and the cautious integration of AI tools.