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Ransomware

As explained in Acing the CCNA Exam: Volume 2 Advanced Networking and Security

Ransomware is malware that encrypts files or otherwise restricts access and demands payment for restoration.

Ransomware is malware that encrypts files on an infected computer and demands payment, often in cryptocurrency, to decrypt them. It is commonly spread through email attachments or malicious websites. section 11.2.1

Identify ransomware by its core behavior:

  • Encrypts files or restricts access on an infected computer. section 11.2.1
  • Demands payment in exchange for restoring access or decrypting files. section 11.2.1
  • Often relies on user actions such as opening email attachments or visiting malicious websites. section 11.2.1

How Acing the CCNA Exam: Volume 2 Advanced Networking and Security covers it

How deep it goes
Defines encryption, payment, and common delivery vectors but stops short of recovery procedures or technical implementation details.
Examples
Uses encrypted files, cryptocurrency payment demands, email attachments, and malicious websites as concrete examples.
What you can do after
Evaluate whether malware behavior matches ransomware and recognize common delivery routes requiring user caution.
How it connects
Connects ransomware with malware, email attachments, malicious websites, cryptocurrency, and human intervention.

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Related concepts

This explainer was generated by Manning's knowledge graph from the text of Acing the CCNA Exam: Volume 2 Advanced Networking and Security. The section links point to the parts of the book it draws on.