Cyber Security
Practice Cyber Security MCQs for Pakistan exams (CSS, FPSC, PPSC, NTS) — 102 practice questions with answers and explanations.
How to use these questions
Cyber Security on MCQsHub is 52 published questions for Pakistan exams such as CSS, FPSC, PPSC, and NTS. Open a question, choose an option, then read the explanation before you move on. The explanation names the correct choice and why the other options do not fit. Difficulty labels and topic tags show which idea to revise next, instead of repeating questions you already know.
Previous and next links on each question page stay inside Cyber Security, so you can work through the subject without returning to this index. Subtopics listed here belong to the same subject and narrow the set. When you want a clock and a score, start a timed quiz for Cyber Security. When you want a whole sitting rather than one question, open the past-paper library. New Cyber Security questions appear here after editorial review.
The list below starts with the newest Cyber Security questions. Later pages keep the same subject. Each title is a link to the full stem, the options, and the explanation.
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An attack technique where an attacker disguises communication to appear as if it comes from a trusted source.... Choose the correct description of Spoofing. Which of the following best names the concept in which a network of infected computers controlled remotely by... What is the function or purpose of Botnet? The concept in which a type of surveillance software that records every keystroke made on a computer to captur... Identify the correct definition of Keylogger. What term describes the following? a security concept that restricts user access rights to only what is strict... In computer science, Least privilege principle refers to which of the following? Select the correct name for: a weakness in a system that can be exploited by a threat to gain unauthorized acc... The concept in which malicious software that secretly monitors and collects information about a user's activit... Identify the correct definition of Spyware. What term describes the following? malicious software disguised as legitimate software to trick users into ins... In computer science, Trojan horse refers to which of the following? Select the correct name for: a type of malware that self-replicates and spreads across networks without needin... Which statement correctly explains Computer worm? Which concept is defined as follows: an attack method that systematically tries every possible password combin... What is Brute-force attack primarily used for? The following statement describes a specific concept. What is it called? a manipulation technique that exploit... Select the accurate description of Social engineering. Which term refers to a cryptographic technique used to verify the authenticity and integrity of a digital mess... What does Digital signature refer to? What is the name for an authorized simulated cyberattack performed to evaluate the security of a system? Which of the following best describes Penetration testing? Identify the correct concept described as: a security tool that monitors network traffic for suspicious activi... Intrusion Detection System (IDS) is best defined as which of the following? Which term refers to a social engineering attack that tricks users into revealing sensitive information throug... What does Phishing refer to? What is the name for malicious software designed to damage, disrupt, or gain unauthorized access to a computer... Which of the following best describes Malware? Identify the correct concept described as: the process of converting data into a coded form to prevent unautho... Encryption is best defined as which of the following? A security system that monitors network traffic and blocks unauthorized access based on defined rules. What is... Choose the correct description of Firewall (security control). Which of the following best names the concept in which a security process requiring two different forms of ide... What is the function or purpose of Two-factor authentication (2FA)? The concept in which an attack that inserts malicious SQL code into input fields to manipulate a database is b... Identify the correct definition of SQL injection. What term describes the following? an attack that overwhelms a system with traffic to make it unavailable to l... In computer science, Denial-of-Service (DoS) attack refers to which of the following? Select the correct name for: malware that encrypts a victim's files and demands payment for the decryption key... Which statement correctly explains Ransomware? Which concept is defined as follows: an encryption method that uses a pair of mathematically related public an... What is Public key cryptography primarily used for? The following statement describes a specific concept. What is it called? an attack in which an attacker secret... Select the accurate description of Man-in-the-middle attack. Which term refers to a software flaw that is exploited by attackers before the vendor releases a fix? What does Zero-day vulnerability refer to? What is the name for a program designed to detect, prevent, and remove malicious software from a computer? Which of the following best describes Antivirus software? Identify the correct concept described as: a one-way function that converts data into a fixed-size string, com... Which cybersecurity principle ensures that data has not been altered without authorization? Which cybersecurity attack attempts to trick users into revealing sensitive information through fake messages?