Question

Installing an unwanted software without the knowledge of the user of the computer and stealing internet usage data and other sensitive information is known as- 
1. Ransomware
2. Spyware
3. Trojan
4. Key logger

Answer 1

Correct Answer - Option 2 : Spyware

The correct answer is Spyware.

• Spyware
  • Spyware is an unwanted software that infiltrates your computing device and steals your internet usage data and sensitive information.
  • Spyware describes software with malicious behavior that aims to gather information about a person or organization and send such information to another entity in a way that harms the user.
  • Websites may engage in spyware behaviors like web tracking.
  • Some types of spyware can install additional software and change the settings on your device so it's important to use secure passwords and keep your devices updated.

• Ransomware
  • Ransomware is a form of malware that encrypts a victim's files.
  • It encrypts the victim's files, making them inaccessible, and demands a ransom payment to decrypt them.
  • Ransomware attacks are typically carried out using a Trojan disguised as a legitimate file that the user is tricked into downloading or opening when it arrives as an email attachment.
  • Ransomware is considered "scareware" as it forces users to pay a fee (or ransom) by scaring or intimidating them.
• Trojan
  • A trojan is any malware that misleads users of its true intent.
  • A trojan is generally spread by some form of social engineering.
  • Trojans may allow an attacker to access a user's personal identity.
  • It can also delete user's files or infect other devices connected to the network.
• Key logger
  • A software-based keylogger is a computer program designed to record any input from the keyboard.
  • Key loggers are used in IT organizations to troubleshoot technical problems with computers and business networks.
  • Individuals can use malicious keyloggers on public computers to steal passwords or credit card information.
  • Most key loggers are not stopped by HTTPS encryption because it only protects data in transit between computers.