4.1 Cybersecurity - Passwords: Video 1

What are the three main goals of cybersecurity?

• Secrecy, integrity, and availability

• Speed, efficiency, and reliability

• Access, modification, and deletion

• Protection, prevention, and detection

What is it called when hackers reveal people's credit card information?

• An integrity attack

• A denial of service attack

• A secrecy attack

• An availability attack

What do security experts create to profile attackers, their capabilities, goals, and probable means of attack?

• A security protocol

• A threat model

• An encryption key

• A firewall

Which of the following is an example of "what you know" authentication?

• A fingerprint scan

• A physical key

• A username and password

• A security token device

What type of attack involves a computer trying every possible combination to guess a password or PIN?

• Phishing attack

• Malware attack

• Brute force attack

• Social engineering attack

What is a key characteristic of biometric authentication?

• It always produces the same result.

• It is always 100% secure.

• It has a chance of not recognizing you or recognizing the wrong person.

• It can be easily reset if compromised.

Why do security experts recommend using two or more forms of authentication for important accounts?

• It makes it easier for attackers to guess your password.

• It guarantees 100% security against all attacks.

• It makes it much harder for an attacker to guess your password and steal your phone.

• It allows you to reset your biometric data more easily.

Which permission allows a user to change the contents of a file?

• Read

• Execute

• View

• Write

What is the main principle of the Bell-LaPadula Model for access control?

• Users can read any file but cannot write to any file.

• Users cannot read files with a higher security level and cannot write to files with a lower security level.

• Users can read files with a higher security level but cannot write to them.

• Users can write to any file but cannot read any file.

What is the purpose of sandboxing applications?

• To allow applications to access all parts of the computer system.

• To make applications run faster.

• To limit the damage a compromised application can cause to other parts of the system.

• To enable multiple applications to share the same memory block.