(UPI) Chapter 1: Basic Concepts and Models of Cybersecurity Course (How To)

1.2 Threats

This stage introduces the concept of cybersecurity, emphasizing the unique challenges of securing cyberspace due to the complexity and diversity of interconnected systems and the evolving tactics of malicious actors​.

Chevron 7 steps

• instruction

  1.1 Introduction

• instruction

  1.2 Threats

• instruction

  1.2.1 Information Security

• instruction

  1.2.2 Systems Security

• instruction

  1.2.3 Security Versus Safety

• instruction

  1.2.4 Security as Risk Management

• Quiz 1.2

  5 questions

1.3 Approaches for Attack and Defense

This stage outlines various attacker types, including cybercriminals, nation-states, and hacktivists, each with unique motives and methods. It also describes proactive and reactive defense strategies, such as prevention, detection, mitigation, and recovery, to protect systems from cyber threats​.

Chevron 4 steps

• instruction

  1.3.1 Attackers and Their Motives

• instruction

  1.3.2 Defenses

• instruction

  1.3.3 Stages of an Intrusion

• Quiz 1.3

  5 questions

1.4 Threats and Solutions in Data Security

This stage discusses common threats to data, including unauthorized access, modification, and disclosure, affecting both data at rest and data in transit. It also outlines solutions like encryption, message authentication codes (MACs), and asymmetric cryptography to protect data integrity, confidentiality, and authenticity​.

Chevron 5 steps

• instruction

  1.4.1 Unauthorized Disclosure of Information

• instruction

  1.4.2 Unauthorized Modification and Fabrication

• instruction

  1.4.3 The Benefits of Asymmetric Cryptography

• instruction

  1.4.4 Case Study: Secure HTTP

• Quiz 1.4

  5 questions

1.5 Malware Threats and Solutions

In this course we cover how malware propagates through autonomous and human-driven methods to deliver harmful payloads—such as ransomware, keyloggers, and botnets—with countermeasures including patches, user training, antivirus solutions, sandboxing, and active defense.

Chevron 4 steps

• instruction

  1.5.1 Propagation and Delivery

• instruction

  1.5.2 Payloads

• instruction

  1.5.3 Countermeasures

• Quiz 1.5

  5 questions

1.6 Threats and Solutions in Software Security

In this stage we cover how buffer overflows and SQL injections are common software security vulnerabilities arising from improper handling of memory and user inputs, respectively, requiring defensive techniques like DEP, ASLR, stack canaries, prepared statements, code audits, fuzzing, and responsible disclosure to effectively manage risks.

Chevron 4 steps

• instruction

  1.6.1 Case Study: Buffer Overflows

• instruction

  1.6.2 Case Study: SQL Injections

• instruction

  1.6.3 Finding and Handling Vulnerabilities

• Quiz 1.6

  5 questions

1.7 Threats and Solutions in Network Security

In this stage we cover how reconnaissance, firewalls, DDoS attacks, and network intrusion detection systems illustrate major network security threats requiring continuous testing—such as vulnerability scans and penetration testing—to effectively manage evolving risks and ethical challenges inherent to cybersecurity.

Chevron 8 steps

• instruction

  1.7.1 Case Study: Reconnaissance

• instruction

  1.7.2 Case Study: Perimeter Security via Firewalls

• instruction

  1.7.3 Case Study: Denial of Service (DoS) Attacks

• instruction

  1.7.4 Case Study: Network Intrusion Detection Systems (NIDS)

• Quiz 1.7

  5 questions

• instruction

  1.8 Continuous Testing

• Quiz 1.8

  5 questions

• instruction

  1.9 Conclusion