Khan Academy
Khan Academy: Public Key Encryption
Learn how public key encryption can send that data safely between computer systems.
Khan Academy
Khan Academy: The Need for Encryption
A huge amount of private data is sent around the Internet every day: emails with details about our personal lives, passwords that we type into login screens, tax documents that we upload to servers. Learn more about the need for data...
Khan Academy
Khan Academy: User Authentication Methods
Some practice problems on user authentication methods regarding computer security.
Khan Academy
Khan Academy: Multi Factor Authentication
Find out about the security of the most common form of authentication, multi-factor authentication.