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      Question

      Which of the following best describes a

      'Ransomware'?
      A Software that displays unwanted advertisements in between page browsing Correct Answer Incorrect Answer
      B Malicious software that encrypts victim's files and demands payment for the decryption key Correct Answer Incorrect Answer
      C A program that secretly monitors user activity and keeps a log of the same Correct Answer Incorrect Answer
      D Software that replicates itself across a network and floods the network until a payment demand is fulfilled Correct Answer Incorrect Answer
      E A tool used for authorized network penetration testing Correct Answer Incorrect Answer

      Solution

      Ransomware encrypts files or entire systems, rendering them inaccessible, and demands cryptocurrency payment for the decryption key. Notable attacks: WannaCry (2017) affected global banks and hospitals. Prevention includes regular offline backups, patch management, email filtering, and endpoint protection. RBI has issued specific advisories on ransomware preparedness for banks.

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