Computer Threats and Crimes Quiz
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Questions and Answers

What are computer information systems vulnerable to?

Computer information systems are vulnerable to physical attacks, electronic hacking, and natural disasters.

What is a computer threat in general?

A computer threat, in general, can be a person or a thing that is likely to cause damage or danger to private or any data of a user or organization or any system.

What is a crime in the context of computer security?

A crime is considered an action or omission that constitutes an offense that can be prosecuted by the state and is punishable by law.

What defines a perpetrator in computer crimes?

<p>A perpetrator is a person who has different objectives and motives and accesses to varying resources that act same as other criminals.</p> Signup and view all the answers

Which of these is NOT a type of perpetrator in computer crime?

<p>Social Engineer (B)</p> Signup and view all the answers

What is the objective of a hacker?

<p>The objective of a hacker is to test the limits of a system and gain publicity.</p> Signup and view all the answers

What is the objective of an insider?

<p>The objective of an insider is to gain financial benefit or disrupt a company's information systems.</p> Signup and view all the answers

What is the objective of an industrial spy?

<p>The objective of an industrial spy is to capture trade secrets or gain a competitive advantage.</p> Signup and view all the answers

What is the objective of a cybercriminal?

<p>The objective of a cybercriminal is to gain financial benefit.</p> Signup and view all the answers

What is the objective of a cyberterrorist?

<p>The objective of a cyberterrorist is to cause destruction to key infrastructure components.</p> Signup and view all the answers

Hackers are always malicious.

<p>False (B)</p> Signup and view all the answers

Crackers are typically considered ethical hackers.

<p>False (B)</p> Signup and view all the answers

Insiders pose a significant risk because they have access to sensitive information.

<p>True (A)</p> Signup and view all the answers

What are white hat hackers?

<p>White hat hackers are ethical hackers that use their skills for good.</p> Signup and view all the answers

What is a virus in computer security?

<p>A virus is a program that is designed to harm a computer by replicating itself and destroying files.</p> Signup and view all the answers

Flashcards

Computer Threat

Anything that can potentially harm or damage a computer system, data, or user.

Computer Crime

An offense that is illegal, can be prosecuted by the state, and carries a punishment.

Cracker

Someone who accesses computers and networks with malicious intent, often to steal data or cause disruption.

Malicious Insider

A person employed by a company who has access to its systems, and sometimes uses that access for illegal purposes.

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Industrial Spy

A person who steals trade secrets from competitors for financial gain.

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Cybercriminals

Criminals who use the internet to commit crimes like identity theft, phishing, and fraud.

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Cyberterrorist

Individuals who attack computer systems to disrupt essential services and cause fear or panic.

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Virus

A type of malware deliberately designed to inflict harm upon a computer system.

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Worm

Malware that replicates itself and spreads autonomously, often via network connections.

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Trojan Horse

A program disguised as legitimate software but contains harmful hidden code.

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Distributed Denial of Service (DDoS)

A cyberattack that overwhelms a server with excessive traffic, making it unavailable to legitimate users.

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Logic Bomb

Malicious code designed to activate and cause damage under specific conditions.

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Phishing

A tactic used to deceive users into revealing sensitive information, usually by disguising as a legitimate entity.

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Ransomware

Malware that encrypts a victim's files and demands payment for decryption.

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Spam

Unsolicited and unwanted messages sent over the internet, usually with harmful content.

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Adware

Software that displays unwanted advertisements on your computer.

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Spyware

Malware that secretly gathers information about your computer and internet activity.

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White Hat Hacker

A hacker who uses their skills for ethical purposes, such as penetration testing.

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Black Hat Hacker

Someone who breaks into computer systems with malicious intent.

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Hacker

Individuals who use the internet to test the limits of computer systems and security.

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Worm

A program whose primary function is to copy and spread itself, often with harmful side effects.

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Trojan Horse

Malware disguised as legitimate software, often containing harmful code.

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Targeted Malware

A specialized type of malware that targets specific types of systems, like industrial control systems.

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Phishing

A method used to steal sensitive information by mimicking a legitimate website or email.

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Ransomware

Malware that prevents access to encrypted files and demands payment for decryption.

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Distributed Denial of Service (DDoS)

A type of cyberattack that overwhelms a target server with traffic, making it unavailable to legitimate users.

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SQL Injection

A type of attack that exploits vulnerabilities in a database, often to steal sensitive information.

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Spyware

Malware that collects information about your computer and internet activity without your consent.

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Hacking

Unauthorized access to computer systems, often with the intent to steal data or cause damage.

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Virus

A computer program that can replicate itself and spread from one computer to another.

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Study Notes

Computer Threats

  • Computer information systems are vulnerable to physical attacks, hacking, and natural disasters.
  • A computer threat is a person or thing that causes damage to data, systems, or users. This can include actions like removing, stealing, or manipulating data.

Types of Computer Crime Perpetrators

  • Hacker: Tests system limits, often for publicity; limited resources; minimal risk taking; high frequency of attack.
  • Cracker: Causes problems, steals data, corrupts systems; limited resources; moderate risk taking; medium frequency of attack.
  • Insider: Financial gain or system disruption; knowledge of systems and passwords; moderate risk taking; low frequency of attack.
  • Industrial Spy: Capture trade secrets or gain a competitive advantage; well funded, well trained; minimal risk taking; low frequency of attack.
  • Cybercriminal: Financial gain; well funded, well trained; moderate risk taking; low frequency of attack.
  • Cyberterrorist: Destruction to key infrastructure components; not necessarily well funded nor well trained; very high risk taking; low frequency of attack.

Hacker Types

  • Hacker: Tests system limitations out of intellectual curiosity.
  • White Hat Hacker: Uses skills for good.
  • Cracker: Breaks codes and violates system integrity with malicious intent.
  • Black Hat Hacker: Uses skills for bad.
  • Malicious Insider: An employee, consultant, or contractor that understands the internal systems; poses a significant security concern.

Types of Computer Viruses

  • Virus A program designed to harm a computer system; it replicates itself from file to file.
  • Worm A destructive program that runs independently; it spreads from one computer system to another.
    • Email Worm
    • Internet Worm
    • Instant Messaging Worm
    • File Sharing Network Worm
  • Trojan Horse: A program that performs a destructive action while appearing benign.
  • Distributed Denial-of-Service (DDoS): Attack that floods a server to block access by legitimate users.
  • Logic Bomb: A malicious code triggered by specific events.
  • Phishing: An attempt to steal sensitive information (like passwords, credit card numbers).
  • Ransomware: Malware that restricts access to a computer system until a payment is made.
  • Spam: Unsolicited, irrelevant messages typically used for advertising, malware distribution, or phishing.
  • Adware: Advertising software that displays pop-up ads on a computer.
  • Spyware: Malware that gathers data about a user's online activity, often without consent.

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Related Documents

Computer Threats PDF

Description

Test your knowledge on the various types of computer threats and crimes. This quiz covers different perpetrators like hackers, crackers, insiders, and cybercriminals, detailing their methods and motivations. Dive into the security challenges faced by computer information systems today.

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