Some students are sharing their school login information with their friends. What cybersecurity concept does this violate?

A checksum is a small block of data that is associated with a larger block of data that is used for detection of errors that occurred in the storage or transmission of the larger data block. The practice of using checksum functions is a good example of what cybersecurity concept?

What cybersecurity concept requires knowing the technological capabilities of hackers and using that information to anticipate how they might attack a system or network?

You are unable to access your Steam account because their servers are unexpectedly down. With what cybersecurity concept is the Steam team currently dealing?

Someone was able to figure out your login information for your bank account. Luckily, you receive a request for authentication on your phone when they try to access your account. What cybersecurity concept kept your money safe?