World Famous Cybersecurity MCQs with Answers

World Famous Cybersecurity MCQs are very important test and often asked by various testing services and competitive exams around the world. Here you will find all the Important World Famous Cybersecurity MCQs for Preparation.

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World Famous Cybersecurity Online MCQs with Answers

What is the process of unauthorized individuals gaining access to sensitive information by tricking or deceiving legitimate users?
a) Phishing
b) Firewall
c) Encryption
d) Intrusion Detection System

Answer
a) Phishing

What is a common type of malware that spreads by attaching itself to other files and executing malicious code when the infected file is opened?
a) Spyware
b) Worm
c) Trojan horse
d) Ransomware

Answer
b) Worm

What term refers to a weakness in a computer system or network that can be exploited by attackers to gain unauthorized access or cause harm?
a) Firewall
b) Malware
c) Vulnerability
d) Encryption

Answer
c) Vulnerability

What is a network security system that monitors and analyzes network traffic to detect and prevent unauthorized access or malicious activities?
a) Firewall
b) Intrusion Detection System (IDS)
c) Virtual Private Network (VPN)
d) Antivirus software

Answer
b) Intrusion Detection System (IDS)

What is the practice of protecting information by transforming it into an unreadable format, which can only be accessed with a decryption key?
a) Firewall
b) Malware
c) Encryption
d) Vulnerability

Answer
c) Encryption

What is a common social engineering attack where an attacker impersonates a trustworthy entity to deceive individuals and trick them into revealing sensitive information?
a) Firewall
b) Phishing
c) Encryption
d) Intrusion Detection System

Answer
b) Phishing

What is a security mechanism that acts as a barrier between a trusted internal network and an external untrusted network?
a) Firewall
b) Malware
c) Encryption
d) Vulnerability

Answer
a) Firewall

What is a type of attack that floods a network or website with excessive traffic to disrupt its normal functioning?
a) Firewall
b) Denial-of-Service (DoS)
c) Encryption
d) Intrusion Detection System

Answer
b) Denial-of-Service (DoS)

What is a form of malware that encrypts files on a victim’s computer and demands a ransom payment in exchange for decrypting the files?
a) Spyware
b) Worm
c) Trojan horse
d) Ransomware

Answer
d) Ransomware

What is a method of verifying the identity of a user or device, often involving a combination of something the user knows, has, or is?
a) Firewall
b) Authentication
c) Encryption
d) Vulnerability

Answer
b) Authentication

What is a technique used by attackers to gain unauthorized access to a wireless network by intercepting and decoding network traffic?
a) Firewall
b) Malware
c) Encryption
d) Wireless Eavesdropping

Answer
d) Wireless Eavesdropping

What is a security protocol that provides secure communication over an untrusted network, such as the internet?
a) Firewall
b) Virtual Private Network (VPN)
c) Encryption
d) Intrusion Detection System

Answer
b) Virtual Private Network (VPN)

What is a method of hiding sensitive data within seemingly innocent digital files or images?
a) Steganography
b) Malware
c) Firewall
d) Encryption

Answer
a) Steganography

What is a security incident where an attacker gains unauthorized physical access to a computer system or facility?
a) Firewall breach
b) Social engineering
c) Physical intrusion
d) Denial-of-Service attack

Answer
c) Physical intrusion

What is a technique used by attackers to discover vulnerabilities in a computer system or network by systematically trying various combinations of passwords?
a) Firewall
b) Malware
c) Encryption
d) Brute force attack

Answer
d) Brute force attack

What is a software or hardware device that monitors and filters incoming and outgoing network traffic based on predefined security rules?
a) Firewall
b) Intrusion Detection System (IDS)
c) Encryption
d) Vulnerability scanner

Answer
a) Firewall

What is a type of attack that deceives individuals into divulging sensitive information by masquerading as a trustworthy entity in an electronic communication?
a) Firewall
b) Phishing
c) Encryption
d) Denial-of-Service (DoS)

Answer
b) Phishing

What is a technique used by attackers to gain unauthorized access to a computer system by exploiting software vulnerabilities?
a) Firewall
b) Malware
c) Encryption
d) Exploit

Answer
d) Exploit

What is a common type of attack where an attacker intercepts and alters communication between two parties without their knowledge?
a) Firewall
b) Man-in-the-Middle (MitM)
c) Encryption
d) Intrusion Detection System

Answer
b) Man-in-the-Middle (MitM)

What is a technique used by attackers to gain unauthorized access to a computer system or network by guessing or deducing login credentials?
a) Firewall
b) Malware
c) Encryption
d) Password cracking

Answer
d) Password cracking

What is a security measure that ensures data integrity by allowing only authorized individuals to modify or access the data?
a) Firewall
b) Encryption
c) Access control
d) Intrusion Detection System

Answer
c) Access control

What is a technique used by attackers to gain unauthorized access to a computer system or network by exploiting human vulnerabilities?
a) Social engineering
b) Malware
c) Firewall
d) Encryption

Answer
a) Social engineering

What is a security incident where an attacker floods a network or website with traffic generated by multiple compromised computers?
a) Firewall breach
b) Distributed Denial-of-Service (DDoS) attack
c) Physical intrusion
d) Man-in-the-Middle (MitM) attack

Answer
b) Distributed Denial-of-Service (DDoS) attack

What is a technique used by attackers to gain unauthorized access to a computer system or network by intercepting wireless network traffic?
a) Firewall
b) Malware
c) Encryption
d) Wireless Sniffing

Answer
d) Wireless Sniffing

What is a security incident where an attacker gains unauthorized access to a computer system by exploiting a software vulnerability?
a) Firewall breach
b) Exploit
c) Physical intrusion
d) Brute force attack

Answer
b) Exploit

What is a technique used by attackers to gain unauthorized access to a computer system or network by capturing and decoding network traffic?
a) Firewall
b) Malware
c) Encryption
d) Packet sniffing

Answer
d) Packet sniffing

What is a security incident where an attacker gains unauthorized access to a computer system by exploiting a human error or oversight?
a) Firewall breach
b) Social engineering
c) Physical intrusion
d) Encryption

Answer
b) Social engineering

What is a technique used by attackers to gain unauthorized access to a computer system or network by redirecting network traffic?
a) Firewall
b) Malware
c) Encryption
d) Man-in-the-Middle (MitM) attack

Answer
d) Man-in-the-Middle (MitM) attack

What is a security incident where an attacker gains unauthorized access to a computer system or network by exploiting physical security weaknesses?
a) Firewall breach
b) Social engineering
c) Physical intrusion
d) Brute force attack

Answer
c) Physical intrusion

What is a technique used by attackers to gain unauthorized access to a computer system or network by intercepting and modifying network traffic?
a) Firewall
b) Malware
c) Encryption
d) Man-in-the-Middle (MitM) attack

Answer
d) Man-in-the-Middle (MitM) attack

What is a security incident where an attacker gains unauthorized access to a computer system by exploiting a misconfigured or weak password?
a) Firewall breach
b) Password cracking
c) Physical intrusion
d) Brute force attack

Answer
b) Password cracking

What is a technique used by attackers to gain unauthorized access to a computer system or network by exploiting software vulnerabilities?
a) Firewall
b) Malware
c) Encryption
d) Exploit

Answer
d) Exploit

What is a security incident where an attacker gains unauthorized access to a computer system or network by exploiting weak or unsecured wireless networks?
a) Firewall breach
b) Wireless hacking
c) Physical intrusion
d) Distributed Denial-of-Service (DDoS) attack

Answer
b) Wireless hacking

What is a technique used by attackers to gain unauthorized access to a computer system or network by masquerading as an authorized user?
a) Firewall
b) Malware
c) Encryption
d) Spoofing

Answer
d) Spoofing

What is a security incident where an attacker gains unauthorized access to a computer system or network by exploiting software vulnerabilities?
a) Firewall breach
b) Exploit
c) Physical intrusion
d) Brute force attack

Answer
b) Exploit

What is a technique used by attackers to gain unauthorized access to a computer system or network by capturing and decoding network traffic?
a) Firewall
b) Malware
c) Encryption
d) Packet sniffing

Answer
d) Packet sniffing

What is a security incident where an attacker gains unauthorized access to a computer system or network by exploiting a human error or oversight?
a) Firewall breach
b) Social engineering
c) Physical intrusion
d) Encryption

Answer
b) Social engineering

What is a technique used by attackers to gain unauthorized access to a computer system or network by redirecting network traffic?
a) Firewall
b) Malware
c) Encryption
d) Man-in-the-Middle (MitM) attack

Answer
d) Man-in-the-Middle (MitM) attack

What is a security incident where an attacker gains unauthorized access to a computer system or network by exploiting physical security weaknesses?
a) Firewall breach
b) Social engineering
c) Physical intrusion
d) Brute force attack

Answer
c) Physical intrusion

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