The National Cybersecurity Centre provides a very simple set of information and good practices that you, as a citizen, should comply with in your day-to-day use of information technologies, internet access, use of email, and access to online communication platforms, among other recommendations. For more information see: https://dyn.cncs.gov.pt/pt/boaspraticas/.
You can access a free online course containing good practices in the use of the internet at: https://www.nau.edu.pt/curso/cidadao-ciberseguro/.