Question
Download Solution PDFWhich among the following is a malicious software?
This question was previously asked in
UPSC CDS-I 2025 (General Studies) Official Paper (Held On: 13 Apr, 2025)
Answer (Detailed Solution Below)
Option 3 : Trojan Horse
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UPSC CDS 01/2025 General Knowledge Full Mock Test
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Detailed Solution
Download Solution PDFThe correct answer is Trojan Horse.
Key Points
- A Trojan Horse is a type of malicious software (malware) that appears legitimate but can take control of your computer.
- Trojan Horses are used by cybercriminals to steal sensitive data, access systems, or launch attacks.
- Unlike viruses, Trojans do not self-replicate; they rely on the user to execute them.
- Common methods of infection include emails, downloads, and software vulnerabilities.
- Once activated, Trojans can perform tasks like keylogging, backdoor access, or ransomware attacks.
Additional Information
- Malware
- Malware is any software intentionally designed to cause damage to a computer, server, or network.
- Types of malware include viruses, worms, ransomware, spyware, adware, and Trojans.
- Malware can disrupt operations, steal data, or exploit systems for personal or financial gain.
- Firewall
- A firewall is a network security device that monitors and controls incoming and outgoing network traffic.
- Firewalls help protect systems from unauthorized access by blocking harmful traffic.
- Unlike malware, firewalls are defensive tools rather than malicious software.
- Hacking
- Hacking refers to the unauthorized access to or manipulation of computer systems or networks.
- It is a method, not a type of software.
- Ethical hacking is the legitimate use of hacking techniques to improve security systems.
- Password Cracking
- Password cracking is the process of recovering passwords from data stored in or transmitted by a computer system.
- It is a technique used by hackers to gain unauthorized access, not a form of software.
Last updated on Jul 7, 2025
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