Roba interessante…
Gratis
https://www.coursera.org/learn/cybersecurity-for-everyone
https://www.coursera.org/learn/cyber-conflicts
A pagamento
https://www.coursera.org/learn/os-power-user?specialization=google-it-support
https://www.coursera.org/learn/system-administration-it-infrastructure-services?specialization=google-it-support
https://www.coursera.org/learn/it-security?specialization=google-it-support
https://www.edx.org/course/introduction-to-linux
Lauree
Masters
https://www.edx.org/micromasters/mitx-finance