
Cyber threats
Authored by SAARA R
Computers
University
Used 3+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
You download a "free movie player" app, but later notice your webcam light turning on by itself. What is the most likely cause?
A) Trojan
B) Worm
C) Ransomware
D) Phishing
Answer explanation
The webcam light turning on unexpectedly suggests unauthorized access, likely due to a Trojan. Trojans disguise themselves as legitimate software, allowing attackers to control your device, unlike worms, ransomware, or phishing.
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
An employee reports their system is slowing down, showing pop-ups, and antivirus alerts for "suspicious programs." What type of cyber threat is this most likely?
Social Engineering
Malware infection
DDoS attack
Insider threat
Answer explanation
The symptoms of system slowdown, pop-ups, and antivirus alerts indicate a malware infection. These are common signs of malicious software that can compromise system performance and security.
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
A student shares a pirated software installer with friends. Everyone who installs it finds files mysteriously deleted. What is this?
Worm
Phishing
Virus
Insider Threat
Answer explanation
The situation describes a virus, which is malicious software that can delete files on a computer. Sharing pirated software often leads to the spread of such viruses, causing harm to users' systems.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An organization notices its email server being overloaded after one infected computer starts sending malicious emails to all contacts. What is this?
Virus
Phishing
Trojan
Worm
Answer explanation
The situation describes a computer spreading malicious emails, which is characteristic of a worm. Unlike viruses, worms can replicate and spread independently across networks, causing server overload.
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
A company HR document becomes inaccessible after multiple employees share and open it. The issue keeps spreading across shared drives. What caused this?
MitM Attack
Virus
Ransomware
Trojan
Answer explanation
The issue of the HR document becoming inaccessible after being shared indicates a virus infection. Viruses can spread through shared files, causing documents to become corrupted or inaccessible, unlike ransomware or other malware.
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
A hospital’s internal network slows down drastically, but no one downloaded or clicked anything suspicious. What’s the most probable cause?
Worm
Data Breach
Social Engineering
Virus
Answer explanation
A worm can spread through a network without user interaction, consuming bandwidth and causing slowdowns. Unlike viruses, worms replicate independently, making them a likely cause for the hospital's network issues.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An employee installs a "system cleaner" tool. Later, unknown programs run in the background, and data is being stolen. Which threat is this?
Worm
MitM
Trojan
Virus
Answer explanation
The scenario describes a 'system cleaner' that is actually a Trojan, as it disguises itself as legitimate software but allows unknown programs to run and steal data.
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