CompTIA ITF+ Information Security Principles Questions and Answers 1 — Questions and Answers
Question 1: An attacker sends a fraudulent email that appears to be from a legitimate online retailer, complete with official logos and a link to a fake login page. The email asks the recipient to confirm their account details due to a supposed security breach. What type of attack is this?
- Denial-of-Service
- Spyware
- Phishing (Correct answer)
- Brute-force
Correct answer: Phishing
Phishing is a type of social engineering attack where an attacker masquerades as a trusted entity to trick a victim into opening an email, clicking a malicious link, and revealing sensitive information like login credentials.
Question 2: A company wants to ensure its critical sales data has not been altered or tampered with, either accidentally or maliciously. Which principle of the CIA triad is PRIMARILY concerned with the accuracy and trustworthiness of data?
- Confidentiality
- Authorization
- Availability
- Integrity (Correct answer)
Correct answer: Integrity
Integrity is the principle of the CIA triad that ensures data is accurate, consistent, and has not been subject to unauthorized modification. Confidentiality is about preventing unauthorized disclosure, and Availability is about ensuring access for authorized users.
Question 3: A user logs into their online banking portal. After entering their password correctly, the system sends a unique, one-time code to their smartphone via a text message, which they must also enter to gain access. This is an example of which security practice?
- Multi-factor Authentication (MFA) (Correct answer)
- Data Encryption
- Single Sign-On (SSO)
- Biometric Authentication
Correct answer: Multi-factor Authentication (MFA)
Multi-factor Authentication (MFA) is a security process that requires users to provide two or more different authentication factors to verify their identity. In this case, the factors are 'something you know' (the password) and 'something you have' (the smartphone receiving the code).
Question 4: An employee's computer suddenly becomes unusable. A message appears on the screen, stating that all of their files have been encrypted and will be deleted unless a payment is made to an anonymous digital wallet. Which of the following BEST describes this type of malware?
- Spyware
- Virus
- Ransomware (Correct answer)
- Adware
Correct answer: Ransomware
Ransomware is a type of malicious software that blocks access to a victim's files or system by encrypting them and demands a ransom payment to restore access.
Question 5: A company policy requires employees to create strong passwords for all their accounts. Which of the following passwords BEST adheres to the principles of creating a strong password?
- Password123
- Jsmith2026!
- Tr@vel2Fr@nce
- BlueCar!Sun98Flower? (Correct answer)
Correct answer: BlueCar!Sun98Flower?
A strong password should be long (12-16 characters or more is recommended), use a mix of uppercase letters, lowercase letters, numbers, and symbols, and avoid easily guessable information or common words. 'BlueCar!Sun98Flower?' is the longest, most complex, and most random of the choices.
Question 6: A hospital's IT department implements a robust disaster recovery plan with redundant servers and frequent data backups to ensure that patient records and critical systems are always accessible to doctors and nurses, especially during an emergency. This plan primarily supports which principle of the CIA triad?
- Confidentiality
- Availability (Correct answer)
- Integrity
- Authentication
Correct answer: Availability
Availability is the principle focused on ensuring that systems and data are accessible to authorized users when needed. Implementing disaster recovery, redundant systems, and backups are all key strategies to maintain high availability.
An attacker sends a fraudulent email that appears to be from a legitimate online retailer, complete with official logos and a link to a fake login page.
The email asks the recipient to confirm their account details due to a supposed security breach.
What type of attack is this?