Podcast
Questions and Answers
What process is used to filter out packets sent to specific logical ports?
What process is used to filter out packets sent to specific logical ports?
What is the primary purpose of antivirus software?
What is the primary purpose of antivirus software?
What does the term 'virus signature' refer to?
What does the term 'virus signature' refer to?
Which type of attack affects a small percentage of web pages by exploiting weaknesses in systems?
Which type of attack affects a small percentage of web pages by exploiting weaknesses in systems?
Signup and view all the answers
How can you minimize the risk of malware attacks on your operating system?
How can you minimize the risk of malware attacks on your operating system?
Signup and view all the answers
What is the recommended length for creating strong passwords?
What is the recommended length for creating strong passwords?
Signup and view all the answers
Which of the following devices reads unique personal characteristics for authentication?
Which of the following devices reads unique personal characteristics for authentication?
Signup and view all the answers
What does 'quarantining' mean in relation to viruses?
What does 'quarantining' mean in relation to viruses?
Signup and view all the answers
What is spyware primarily designed to do?
What is spyware primarily designed to do?
Signup and view all the answers
What is phishing aimed at achieving?
What is phishing aimed at achieving?
Signup and view all the answers
What function does a firewall serve?
What function does a firewall serve?
Signup and view all the answers
Which of the following describes scareware?
Which of the following describes scareware?
Signup and view all the answers
What technique involves creating a seemingly legitimate scenario to deceive users?
What technique involves creating a seemingly legitimate scenario to deceive users?
Signup and view all the answers
Which of the following is an effect of cookies?
Which of the following is an effect of cookies?
Signup and view all the answers
What is pharming primarily aimed at?
What is pharming primarily aimed at?
Signup and view all the answers
What can spam filters do?
What can spam filters do?
Signup and view all the answers
Which of the following is included in comprehensive Internet security software packages?
Which of the following is included in comprehensive Internet security software packages?
Signup and view all the answers
Which is NOT a recommended guideline to avoid phishing scams?
Which is NOT a recommended guideline to avoid phishing scams?
Signup and view all the answers
What is the primary purpose of a computer virus?
What is the primary purpose of a computer virus?
Signup and view all the answers
Which type of virus is triggered by a specific date or time?
Which type of virus is triggered by a specific date or time?
Signup and view all the answers
What distinguishes a polymorphic virus?
What distinguishes a polymorphic virus?
Signup and view all the answers
Which of the following is NOT a characteristic of a DDoS attack?
Which of the following is NOT a characteristic of a DDoS attack?
Signup and view all the answers
What is the function of adware?
What is the function of adware?
Signup and view all the answers
Which type of malware replicates itself without needing a host file?
Which type of malware replicates itself without needing a host file?
Signup and view all the answers
What does a logic bomb do?
What does a logic bomb do?
Signup and view all the answers
Which type of virus attempts to evade detection by erasing code temporarily?
Which type of virus attempts to evade detection by erasing code temporarily?
Signup and view all the answers
How can e-mail viruses propagate?
How can e-mail viruses propagate?
Signup and view all the answers
What is the main purpose of ransomware?
What is the main purpose of ransomware?
Signup and view all the answers
What is the main purpose of a keylogger?
What is the main purpose of a keylogger?
Signup and view all the answers
What type of hacker primarily aims to destroy information or gain illegally?
What type of hacker primarily aims to destroy information or gain illegally?
Signup and view all the answers
What characterizes a Trojan horse in the context of cybersecurity?
What characterizes a Trojan horse in the context of cybersecurity?
Signup and view all the answers
What does identity theft commonly involve?
What does identity theft commonly involve?
Signup and view all the answers
What is the role of a packet analyzer in hacking?
What is the role of a packet analyzer in hacking?
Signup and view all the answers
How is a zombie computer commonly used in cybercrime?
How is a zombie computer commonly used in cybercrime?
Signup and view all the answers
What is a common social engineering technique used by cybercriminals?
What is a common social engineering technique used by cybercriminals?
Signup and view all the answers
What distinguishes white-hat hackers from other types of hackers?
What distinguishes white-hat hackers from other types of hackers?
Signup and view all the answers
Which type of malware pretends to be a legitimate program while performing malicious activities?
Which type of malware pretends to be a legitimate program while performing malicious activities?
Signup and view all the answers
What is the primary function of antivirus software?
What is the primary function of antivirus software?
Signup and view all the answers
Study Notes
Technology in Action - Chapter 9
- Chapter title: Securing Your System: Protecting Your Digital Data and Devices
- Cybercrime is any criminal activity primarily done using computers.
- Cybercriminals are individuals who use computers, networks, and the Internet to commit crimes.
- Four common complaints include FBI-related scams, identity theft, non-delivery of merchandise, and advance-fee fraud.
- Other serious complaints include computer intrusions, hacking, child pornography, and blackmail.
Identity Theft and Hackers
- Cybercrime is a criminal action done primarily through a computer.
- Cybercriminals are individuals utilizing computers for crime.
- Common cybercrime types: FBI-related scams, identity theft, non-delivery of merchandise, and advance-fee fraud.
- Other types include computer intrusions, hacking, child pornography, and blackmail.
Identity Theft
- Identity theft occurs when a thief assumes your identity.
- It's the most financially damaging form of cybercrime.
- Examples of scams during identity theft: -Counterfeiting credit/debit cards -Requesting address changes -Creating new credit accounts -Getting medical services -Buying a home and reselling it
Hacking
- A Hacker is someone breaking into a computer system.
- Types of hackers: -White-hat hackers–use hacking for ethical testing -Black-hat hackers– use hacking for illegal gain -Grey-hat hackers– use hacking to showcase their skills
Hacking (continued)
- Packet analyzer (sniffer) is a program deployed to examine network traffic.
- Keylogger is a program capturing keystrokes.
Hacking (continued)
- Trojan horses are programs appearing as helpful but maliciously execute code in the background.
- Backdoor programs and rootkits give hackers access without user knowledge.
Hacking (continued)
- A Zombie computer is controlled by a hacker for denial-of-service attacks.
- Denial-of-service attacks make legitimate users inaccessible by flooding requests to a computer system.
- DDoS (Distributed Denial-of-Service) attacks are launched from multiple zombies simultaneously.
- A botnet is a large group of zombie computers.
Hacking (continued)
- Exploit kits are programs located on servers, designed to detect and exploit system vulnerabilities.
- Logical ports are virtual, not physical, communications paths.
Computer Viruses
- A virus attaches to a program to spread to other computers.
- The main function is to duplicate itself in many files.
- Consequences may range from annoying pop-ups to file deletion.
- Viruses can infect smartphones and tablets
Computer Viruses (continued)
- Viruses can be categorized as: -Boot-sector viruses -Logic bombs/time bombs -Worms -Script/macro viruses -Email viruses -Encryption viruses
Computer Viruses (continued)
- Classification methods for virus avoidance: -Polymorphic viruses change their code periodically -Multi-partite viruses infect multiple file types -Stealth viruses hide in active memory by erasing their code
Online Annoyances and Social Engineering
- Malware is software with malicious intent. -Adware displays advertisements -Spyware collects information and runs in the background -Keystroke logger records keystrokes
- Spam is unwanted email. -Spam filters are tools to limit spam.
Online Annoyances and Social Engineering (continued)
- Cookies are small text files stored on your computer when you visit websites.
- Websites use cookies to understand user activity and effectiveness of marketing efforts.
- Cookies don't directly harm your computer.
Online Annoyances and Social Engineering (continued)
- Social engineering utilizes social skills to gain information from individuals.
- Pretexting is impersonation.
Online Annoyances and Social Engineering (continued)
- Phishing is tricking individuals into revealing personal information by pretending to be a trustworthy entity.
- Pharming plants malicious code on computers to gain information.
- Guidelines to avoid scams include avoiding email requests for information and verifying from the company directly.
- Use secure sites, phishing filters, and updated internet security software.
Online Annoyances and Social Engineering (continued)
- Scareware is malware that tries to convince you of a problem and get you to pay for a solution.
Restricting Access to Your Digital Assets: Firewalls
- A firewall is a software or hardware that protects your computer from hackers.
- Windows and macOS include firewalls.
- Firewalls use packet filtering, logical port blocking, and network address translation to control network traffic.
Restricting Access to Your Digital Assets: Preventing Virus Infections
- Antivirus software detects and protects your computer from viruses.
- Popular antivirus programs include Symantec, Trend Micro, and Avast.
- Virus signatures are unique codes used to identify specific viruses.
- Quarantining isolates infected files.
- Inoculation records key attributes of files.
- Keeping your operating system updated can prevent drive-by download attacks.
Restricting Access to Your Digital Assets: Authentication
- Strong passwords should have at least eight characters with a combination of uppercase, lowercase, numbers, and symbols.
- Biometric authentication devices use unique physical characteristics like fingerprints, iris scans, and facial recognition.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Related Documents
Description
Explore the critical concepts of cybercrime and digital security in Chapter 9. This chapter delves into identity theft, hacking, and various cybercriminal activities. Learn about common complaints related to cybercrimes and the importance of protecting your digital data and devices.
