A workshop about web application security and penetration testing was held at Universidade São Tomás de Moçambique (USTM) on July 21, 2022. The workshop consisted of a theoretical and a practical part: First, the principles of Penetration Testing and different attack scenarios were explained. Afterwards, the students tried out every attack themselves in a simulated environment on each workstation at the laboratory. In summary, 14 students attended the workshop.