Cybersecurity

Firewalls — Network Gatekeepers

A firewall decides which network traffic gets through. Personal, network, and cloud firewalls all enforce rules.

How a VPN Builds You a Secret Tunnel Online

Discover VPN Technology as a core part of Cybersecurity. This lesson explains what it means, walks through a real example, introduces key terms, and includes three hands-on activities to help you understand and apply the idea.

DNS Security

Discover DNS Security as a core part of Cybersecurity. This lesson explains what it means, walks through a real example, introduces key terms, and includes three hands-on activities to help you understand and apply the idea.

Core Principles of Cybersecurity

Cybersecurity is not just for hackers. Learn the 3 core principles (confidentiality, integrity, availability), the defender's mindset, and why every modern career touches security.

Cybersecurity Key Terminology

Discover Cybersecurity Key Terminology as a core part of Cybersecurity. This lesson explains what it means, walks through a real example, introduces key terms, and includes three hands-on activities to help you understand and apply the idea.

The First Computer Virus and the Birth of Cybersecurity

Discover History of Cybersecurity as a core part of Cybersecurity. This lesson explains what it means, walks through a real example, introduces key terms, and includes three hands-on activities to help you understand and apply the idea.

Code Breakers: The Pioneers Who Invented Cybersecurity

Discover Pioneers of Cybersecurity as a core part of Cybersecurity. This lesson explains what it means, walks through a real example, introduces key terms, and includes three hands-on activities to help you understand and apply the idea.

Firewalls, Passwords, and VPNs: Your Cybersecurity Toolkit

Discover Cybersecurity Methods and Tools as a core part of Cybersecurity. This lesson explains what it means, walks through a real example, introduces key terms, and includes three hands-on activities to help you understand and apply the idea.

Public, Private, or Secret? Sorting Information to Stay Safe Online

Discover Cybersecurity Classification as a core part of Cybersecurity. This lesson explains what it means, walks through a real example, introduces key terms, and includes three hands-on activities to help you understand and apply the idea.

Cybersecurity Measurement Techniques

Discover Cybersecurity Measurement Techniques as a core part of Cybersecurity. This lesson explains what it means, walks through a real example, introduces key terms, and includes three hands-on activities to help you understand and apply the idea.

Cybersecurity Data Analysis

Discover Cybersecurity Data Analysis as a core part of Cybersecurity. This lesson explains what it means, walks through a real example, introduces key terms, and includes three hands-on activities to help you understand and apply the idea.

Cybersecurity Critical Thinking

Discover Cybersecurity Critical Thinking as a core part of Cybersecurity. This lesson explains what it means, walks through a real example, introduces key terms, and includes three hands-on activities to help you understand and apply the idea.

Cybersecurity Fundamentals Assessment

Discover Cybersecurity Fundamentals Assessment as a core part of Cybersecurity. This lesson explains what it means, walks through a real example, introduces key terms, and includes three hands-on activities to help you understand and apply the idea.

Cybersecurity in Technology

Discover Cybersecurity in Technology as a core part of Cybersecurity. This lesson explains what it means, walks through a real example, introduces key terms, and includes three hands-on activities to help you understand and apply the idea.

Cybersecurity in Healthcare

Discover Cybersecurity in Healthcare as a core part of Cybersecurity. This lesson explains what it means, walks through a real example, introduces key terms, and includes three hands-on activities to help you understand and apply the idea.

Cybersecurity in Business

Discover Cybersecurity in Business as a core part of Cybersecurity. This lesson explains what it means, walks through a real example, introduces key terms, and includes three hands-on activities to help you understand and apply the idea.