AP® Cybersecurity Study Guide
Comprehensive AP® Cybersecurity guide covering all five units of the course framework: Introduction to Security (CIA triad, threat actors, risk), Securing Spaces (physical and access control), Securing Networks (architecture, protocols, firewalls, attacks), Securing Devices (endpoints, hardening, malware, cryptography), and Securing Applications and Data (secure development, databases, privacy). Includes the four cybersecurity skill categories and a dedicated exam-strategy capstone for the multiple-choice section and the free-response question.
The Prep Den AP® Cybersecurity study guide is your complete companion for revising the course: full topic-by-topic coverage, interactive flashcards, practice quizzes with worked explanations, a key-terms bank, and exam-technique tips. Use it as your main study guide or as a supplement to your textbook and class notes.
Topics Covered
What you get
1. Introduction to Security
THE BIG PICTURE. Unit 1 is about protecting yourself in everyday digital life. Its five official AP topics are social engineering (Topic 1.1), suspicious website logins (1.2), best practices for public networks (1.3), AI-based cybersecurity attacks (1.4), and leveraging AI in cyber defense (1.5). Each is a concrete personal skill: spotting a manipulative message, recognizing a password attack, staying safe on public Wi-Fi, and understanding how AI now works on both sides of an attack. The course's shared vocabulary, the CIA triad, AAA, the vulnerability/threat/risk relationship, the attack surface, and defense in depth, is the language every later unit reuses. Several of these (CIA, risk, threat actors, defense in depth) are formalized in the CED as Cyber Foundations in Unit 2.1; authentication/authorization/accounting show up across later units, and attack surface is standard industry vocabulary. All are summarized below as course-wide background rather than as Unit 1's own tested content. On the exam those foundations are assessed across Units 2 to 5, while Unit 1 is tested through the five everyday-security topics. (You will also weigh the impact of cybersecurity on individuals, organizations, governments, and society, and operate within professional norms and laws.)
Sample Flashcards
What are the three goals of the CIA triad?
The CIA triad names the three core security goals:
- Confidentiality: only authorized parties can access data.
- Integrity: data are accurate and unaltered by unauthorized parties.
- Availability: data and services are accessible to authorized users when needed.
Every security control supports at least…
Which CIA goal does a denial-of-service (DoS) attack violate?
Availability. A DoS attack floods a system so legitimate users cannot reach the data or service they need, causing downtime.
For contrast: stealing a password file attacks confidentiality, and altering a webpage attacks integrity.
Sample Key Terms
CIA Triad
The three core security goals: Confidentiality, Integrity, and Availability. Every security control supports at least one of them.
Confidentiality
Ensures only authorized individuals, systems, or processes can access data. Systems lacking it are vulnerable to data theft or exposure. Supported by encryption.
Integrity
Ensures data are accurate and trustworthy and have not been altered by an unauthorized party. Systems lacking it are vulnerable to data manipulation.
What's Covered
- 1. Introduction to Security
- 2. Securing Spaces
- 3. Securing Networks
- 4. Securing Devices
- 5. Securing Applications and Data
- Exam Strategy and Skills
6 topics · 85+ flashcards · quizzes & matching games included
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