Cybersecurity Fundamentals Week 02
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Questions and Answers

What is one of the primary objectives of cybersecurity?

  • To redesign software for aesthetics
  • To protect information systems and networks (correct)
  • To eliminate all forms of hacking
  • To create new technology for entertainment purposes

Which of the following is NOT considered a critical infrastructure sector?

  • Energy supply
  • Healthcare services
  • Agricultural marketing (correct)
  • Transportation systems

What is the potential impact of cybercrime on a global scale?

  • A decrease in software usage
  • Increasing operational costs (correct)
  • Upper hand in international relations
  • Minimal economic effects

Which type of threat involves impersonating another user to gain unauthorized access?

<p>Spoofing (D)</p> Signup and view all the answers

Which of the following describes a vulnerability in cybersecurity?

<p>A weak point in a system that can be exploited (C)</p> Signup and view all the answers

What is the purpose of threat intelligence in cybersecurity?

<p>To identify and manage potential threats (C)</p> Signup and view all the answers

Which method is often used for evaluating software security?

<p>Penetration testing and vulnerability assessments (D)</p> Signup and view all the answers

Which one of the following is an emerging trend in cybersecurity?

<p>Increased automation of security processes (B)</p> Signup and view all the answers

What should organizations consider as key areas to invest in for cybersecurity?

<p>Employee training and awareness (D)</p> Signup and view all the answers

Which of the following best explains the cost of cybersecurity?

<p>It includes ongoing operational costs and investments (D)</p> Signup and view all the answers

What does tampering primarily aim to compromise?

<p>Integrity of persistent data (D)</p> Signup and view all the answers

What type of attack is characterized by attempting to deny access to valid users?

<p>Denial of Service (DoS) (A)</p> Signup and view all the answers

Which of the following is a primary objective of social engineering attacks?

<p>Unauthorized access through deception (D)</p> Signup and view all the answers

What is a common goal of information disclosure attacks?

<p>Reading unauthorized files or data (D)</p> Signup and view all the answers

Which type of attack is specifically designed to exploit vulnerabilities in application software?

<p>Cross-site scripting (XSS) (D)</p> Signup and view all the answers

Which threat action involves performing operations without a traceable record?

<p>Repudiation (D)</p> Signup and view all the answers

What is the primary focus of denial of service (DoS) attacks?

<p>Making services unavailable to users (A)</p> Signup and view all the answers

What does elevation of privilege intend to achieve?

<p>Access resources with higher permissions (C)</p> Signup and view all the answers

Which is NOT a form of malware as mentioned in the types of attacks?

<p>Spam (C)</p> Signup and view all the answers

What type of action involves reading data during its transit between two computers?

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

Flashcards

Cybersecurity

Protecting computer systems and networks from theft, damage, or unauthorized access.

Cybersecurity Objectives

Goals for protecting systems and data, such as confidentiality, integrity, and availability.

Critical Infrastructure

Essential services like power grids, water systems, and transportation networks.

Cost of Cybersecurity breaches

Financial damage resulting from attacks on computer systems.

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Vulnerabilities

Weaknesses in computer systems that attackers can exploit.

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Threat Modeling (STRIDE)

A structured method for identifying and analyzing potential threats to a system.

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Spoofing

Tricking someone into giving up sensitive information, often by mimicking a trusted entity.

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Threat Intelligence

Gaining knowledge of current or future threats.

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Software Security

Ensuring that software applications are secure from exploits.

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National Vulnerability Database

A publicly accessible database of known cybersecurity vulnerabilities.

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Tampering

A threat action that maliciously changes or modifies persistent data, like database records or data in transit.

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Repudiation

A threat action aimed at performing prohibited operations in a system where actions can't be traced.

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Information Disclosure

A threat action to read data not authorized to be accessed, in a file or in transit.

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Denial of Service

A threat action that attempts to block access to valid users, like a server going down.

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Elevation of Privilege

A threat action to gain higher access rights to resources for unauthorized access or system compromise.

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Social Engineering

Attacks that use human interaction to manipulate individuals into taking action that violates security.

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Phishing

A social engineering technique using deceptive emails or messages to steal information.

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Cross-site Scripting (XSS)

A software vulnerability where malicious scripts are injected into legitimate websites.

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Denial of Service (DoS)

Attacking a system to prevent legitimate users from accessing it.

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Virus

Malicious software that replicates itself and spreads to other systems.

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Study Notes

Course Information

  • Course name: Cybersecurity Fundamentals
  • Course code: CSC 1029

Objectives

  • Understand what cybersecurity is and its importance
  • Understand what is being protected from attackers
  • Understand lessons learned from historical and current events, and emerging trends

Agenda: Week 02

  • What is Cybersecurity and Types of Attacks
  • Cybersecurity Objectives
  • What are we protecting?
  • Cost of Cybersecurity
  • Your Next Move: Software Developer Vulnerabilities
  • Threat Model: STRIDE
  • Types of Attacks
  • Importance of Software Security
  • TODO and Resources for Help

What is Cybersecurity?

Objectives of Cybersecurity

What are we Protecting?

Cost of Cybersecurity

  • Estimated global cost of cybercrime in 2021: $6.1 trillion (Source: Cybersecurity Ventures)
  • Estimated global spending on cybersecurity in 2022: $172.5 billion (Source: Gartner)
  • U.S. job openings requesting cybersecurity-related skills: 714,548 (Source: CyberSeek)

Vulnerabilities

Threat Model: STRIDE

  • Spoofing
  • Tampering
  • Repudiation
  • Information disclosure
  • Denial of service
  • Elevation of privilege
  • Associated Security Controls

Threat Intelligence

Types of Attacks

  • Social engineering attacks (e.g., organization penetration, IT infrastructure exploration, phishing, spam, spoofing, man in the middle)
  • Attacks against application software (e.g., Cross-site scripting (XSS), Buffer overflows, SQL code injection, Time/logic bombs, Back door)
  • Attacks against supporting infrastructure (e.g., Denial of Service (DoS), Virus, Worm, Trojans, Spyware, Adware)
  • Physical attacks (e.g., External drives & Flash Sticks, Bringing down the system, Stealing hardware)

Cybersecurity Principles

  • Complete the interactive lesson

Recent Cyber Attacks

Pre-work Grade

  • Post weekly discussion question and research solution to D2L
  • Complete Week 02 Content Module in D2L to 100%

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Description

Dive into the essentials of cybersecurity in this Week 02 quiz. Explore the significance of cybersecurity, the types of attacks, and what we aim to protect. Understand software developer vulnerabilities and the importance of security measures in safeguarding information.

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