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Questions and Answers
What is cybercrime?
What is cybercrime?
- Criminal action unrelated to computers
- Criminal activities carried out in physical locations
- Any criminal action perpetrated primarily through the use of a computer (correct)
- Only financial crimes committed using a computer
How can hackers attack computing devices?
How can hackers attack computing devices?
- Using malware and social engineering techniques (correct)
- By sending polite requests for access
- Only through direct physical access to the device
- By exploiting hardware vulnerabilities only
What is the purpose of a firewall?
What is the purpose of a firewall?
- To prevent software installation on the computer
- To physically protect the computer from external threats
- To encrypt all data on the computer
- To monitor and control incoming and outgoing network traffic (correct)
What is social engineering?
What is social engineering?
What is phishing?
What is phishing?
What is scareware?
What is scareware?
How can I protect my physical computing assets from theft?
How can I protect my physical computing assets from theft?
Which type of cybercrime involves overloading systems to deny legitimate users access?
Which type of cybercrime involves overloading systems to deny legitimate users access?
What type of viruses require human interaction to spread and can infect smartphones and tablets?
What type of viruses require human interaction to spread and can infect smartphones and tablets?
What are Trojan horses and rootkits used for by hackers?
What are Trojan horses and rootkits used for by hackers?
Viruses are the only type of cyber threat that can harm your computer.
Viruses are the only type of cyber threat that can harm your computer.
A firewall is a software or hardware device that monitors and controls incoming and outgoing network traffic.
A firewall is a software or hardware device that monitors and controls incoming and outgoing network traffic.
Creating secure passwords and managing them is not important for protecting your digital assets.
Creating secure passwords and managing them is not important for protecting your digital assets.
Spyware runs in the background and transmits your information for marketing purposes.
Spyware runs in the background and transmits your information for marketing purposes.
Phishing involves luring people into revealing sensitive information such as credit card details and social security numbers.
Phishing involves luring people into revealing sensitive information such as credit card details and social security numbers.
A surge protector needs to be replaced every 2-3 years and should be used with all devices that have solid-state components.
A surge protector needs to be replaced every 2-3 years and should be used with all devices that have solid-state components.
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.
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.
Computer viruses can only infect desktop and laptop computers, not smartphones and tablets
Computer viruses can only infect desktop and laptop computers, not smartphones and tablets
Antivirus software needs to be kept up to date to detect new viruses
Antivirus software needs to be kept up to date to detect new viruses
Hackers are only classified as either white-hat or black-hat, there are no grey-hat hackers
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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