Cisco Networking Academy
Introduction to Cybersecurity
Cisco's short free starter course on cyber threats, protecting your data and what a cybersecurity career looks like.
Free certificateCyber Security
6 hrsBeginner
173 free courses
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Harvard Online
CS50's Introduction to Cybersecurity
Harvard's free CS50 course on securing accounts, data, systems and software, and on preserving privacy.
Free certificateCyber SecuritySelf-pacedBeginner