Companies will often hire cybersecurity professionals to try to break into their networks or systems. What cybersecurity concept does this practice exemplify?

A DDoS (distributed denial of service) attack is one in which an attacker floods a server with traffic to prevent users from gaining access to the system, information, or devices. This is an attempt to disrupt what cybersecurity concept

Many video games allow users make modifications of their code to allow players to do things the original creators did not intend. What cybersecurity concept does this practice potentially violate?

One of your friends lets you use their school login information. What cybersecurity concept does this violate?

Oops! You forgot to set up your GitHub account with two factor authentication. What cybersecurity concept are you not following?

Your school's Multi-Factor Authentication software isn't very stable and frequently causes students to not be able to access the school's online services. The instability of this software is an issue with what cybersecurity concept?

An adversarial student has hacked your school's attendance database and erased all of their unexcused absences. What cybersecurity concept was violated in this scenario?