1_2_2 Section 1 – Attacks, Threats, and Vulnerabilities - 1.2 – Attack Types - Viruses and Worms
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Questions and Answers

What characteristic differentiates a virus from a worm?

  • Viruses can encrypt data instantly.
  • Viruses can jump from machine to machine without human intervention.
  • Viruses need human intervention to start the replication process. (correct)
  • Viruses are always benign.

    • How do viruses replicate themselves once initiated?

  • By using the network only.
  • By waiting for further human commands.
  • By starting random processes on the infected machine.
  • By utilizing the existing file system or network. (correct)

    • What makes antivirus software important in combating viruses?

  • It enhances the speed of the computer.
  • It can encrypt all files on the computer.
  • It automatically launches the antivirus scan.
  • It can recognize and stop viruses before they execute. (correct)

    • Which action triggers the virus replication process?

    <p>Clicking on or launching an application.</p> Signup and view all the answers

    Why is it essential to keep antivirus signatures updated?

    <p>To recognize and stop new viruses effectively.</p> Signup and view all the answers

    What role does a human play in initiating a virus infection?

    <p>Humans need to click on or launch an application to start the virus replication process.</p> Signup and view all the answers

    Which type of virus is part of an application that runs when you click on it?

    <p>Program virus</p> Signup and view all the answers

    What type of virus exists in the boot sector of a storage device?

    <p>Boot sector virus</p> Signup and view all the answers

    Which type of virus operates mainly in the memory of the computer and never saves itself as a file?

    <p>Fileless virus</p> Signup and view all the answers

    How does a fileless virus primarily execute on a system?

    <p>By downloading and running software from a link</p> Signup and view all the answers

    What type of virus does not require any user intervention to propagate?

    <p>Worm</p> Signup and view all the answers

    Which type of malware can encrypt files, delete information, and exfiltrate data?

    <p>Virus</p> Signup and view all the answers

    What major worm infestation occurred on May 12th, 2017, installing crypto malware and encrypting personal files?

    <p>WannaCry worm</p> Signup and view all the answers

    What is the key difference between a virus and a worm in terms of propagation?

    <p>A virus requires human intervention to start the replication process, while a worm can propagate without human intervention.</p> Signup and view all the answers

    What role does the end user play in initiating the virus replication process?

    <p>Clicking on or launching an application.</p> Signup and view all the answers

    Why do we keep antivirus software running on our computers according to the text?

    <p>To recognize and stop viruses from executing.</p> Signup and view all the answers

    Which action can stop a virus from executing once it has started?

    <p>Launching an executable file.</p> Signup and view all the answers

    What is the primary function of antivirus software mentioned in the text?

    <p>To recognize and prevent viruses from executing.</p> Signup and view all the answers

    How do some viruses disguise their presence on a computer according to the text?

    <p>By gathering information discreetly.</p> Signup and view all the answers

    What type of virus is commonly associated with Microsoft Office apps?

    <p>Macro virus</p> Signup and view all the answers

    How does a fileless virus primarily operate on a system?

    <p>By operating solely in the memory of the computer</p> Signup and view all the answers

    What method does a fileless virus use to evade antivirus software detection?

    <p>Never saving itself as a file on the storage drive</p> Signup and view all the answers

    Which virus type is launched when you start your computer and is found in the boot sector of the storage device?

    <p>Boot sector virus</p> Signup and view all the answers

    What differentiates a worm from a traditional virus?

    <p>Worms move from system to system without requiring user intervention</p> Signup and view all the answers

    How does a macro virus typically operate within a system?

    <p>As another application's part</p> Signup and view all the answers

    What characteristic makes a fileless virus particularly challenging for antivirus software?

    <p>Operating solely in the memory of the computer</p> Signup and view all the answers

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