Questions and Answers
What is cybercrime?
Any criminal action perpetrated primarily through the use of a computer
How can hackers attack computing devices?
Using malware and social engineering techniques
What is the purpose of a firewall?
To monitor and control incoming and outgoing network traffic
What is social engineering?
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What is phishing?
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What is scareware?
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How can I protect my physical computing assets from theft?
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Which type of cybercrime involves overloading systems to deny legitimate users access?
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What type of viruses require human interaction to spread and can infect smartphones and tablets?
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What are Trojan horses and rootkits used for by hackers?
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Viruses are the only type of cyber threat that can harm your computer.
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A firewall is a software or hardware device that monitors and controls incoming and outgoing network traffic.
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Creating secure passwords and managing them is not important for protecting your digital assets.
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Spyware runs in the background and transmits your information for marketing purposes.
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Phishing involves luring people into revealing sensitive information such as credit card details and social security numbers.
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A surge protector needs to be replaced every 2-3 years and should be used with all devices that have solid-state components.
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Scareware attempts to convince you that your computer is infected and then directs you to a website where you can buy fake removal or antivirus tools.
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Computer viruses can only infect desktop and laptop computers, not smartphones and tablets
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Antivirus software needs to be kept up to date to detect new viruses
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Hackers are only classified as either white-hat or black-hat, there are no grey-hat hackers
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Study Notes
Cybercrime and Computer Viruses
- Common types of cybercrimes include FBI-related scams, non-delivery scams, identity theft, advanced fee scams, and hacking
- Computer viruses can also infect smartphones and tablets, requiring human interaction to spread
- Major categories of computer viruses include boot-sector viruses, logic bomb viruses, time bomb viruses, worms, email viruses, and encryption viruses
- Additional virus classifications include polymorphic viruses, multipartite viruses, and stealth viruses
- Symptoms of a computer virus infection are detailed in the textbook
- Antivirus software such as Windows Defender, Symantec, Kaspersky, AVG, and McAfee can detect and protect against viruses
- Antivirus software must be kept up to date to detect new viruses and can run in the background when the CPU is not busy
- Hackers are classified as white-hat or ethical hackers, black-hat hackers, and grey-hat hackers
- Trojan horses and rootkits are used by hackers to gain control of computers without the user's knowledge
- Denial-of-service attacks use zombies to overload systems and deny legitimate users access
- Logical and physical ports can be exploited by hackers, and firewalls can be used to restrict access to digital assets
- Strong passwords and biometric authentication devices such as fingerprint, iris pattern, voice, and face recognition can enhance security and protect digital property
Cybercrime and Computer Viruses
- Common types of cybercrimes include FBI-related scams, non-delivery scams, identity theft, advanced fee scams, and hacking
- Computer viruses can also infect smartphones and tablets, requiring human interaction to spread
- Major categories of computer viruses include boot-sector viruses, logic bomb viruses, time bomb viruses, worms, email viruses, and encryption viruses
- Additional virus classifications include polymorphic viruses, multipartite viruses, and stealth viruses
- Symptoms of a computer virus infection are detailed in the textbook
- Antivirus software such as Windows Defender, Symantec, Kaspersky, AVG, and McAfee can detect and protect against viruses
- Antivirus software must be kept up to date to detect new viruses and can run in the background when the CPU is not busy
- Hackers are classified as white-hat or ethical hackers, black-hat hackers, and grey-hat hackers
- Trojan horses and rootkits are used by hackers to gain control of computers without the user's knowledge
- Denial-of-service attacks use zombies to overload systems and deny legitimate users access
- Logical and physical ports can be exploited by hackers, and firewalls can be used to restrict access to digital assets
- Strong passwords and biometric authentication devices such as fingerprint, iris pattern, voice, and face recognition can enhance security and protect digital property
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