1. Foundations of Cybersecurity
Cybersecurity is the practice of protecting systems, networks, devices, and data from unauthorized access, attack, or disruption. At the heart of the discipline lies the CIA triad:...
Read full chapter →The essential Cybersecurity Fundamentals cheat sheet: 8 concise chapters you can read in minutes, distilled from the full deck. When you're ready, drill the flashcards or test yourself under exam conditions.
Cybersecurity is the practice of protecting systems, networks, devices, and data from unauthorized access, attack, or disruption. At the heart of the discipline lies the CIA triad:...
Read full chapter →Controlling who can do what rests on the AAA framework: authentication, authorization, and accounting. Authentication verifies a user's identity, typically with credentials, tokens...
Read full chapter →Cryptography is the mathematical backbone of confidentiality, integrity, and authentication. Symmetric encryption uses a single shared key for both encryption and decryption, makin...
Read full chapter →Network defenses begin with the firewall, a device or software that filters traffic based on rules covering source, destination, port, and protocol. A stateless firewall inspects e...
Read full chapter →Most modern attacks target applications, making secure software development a frontline concern. The OWASP Top 10 is a periodically updated list of the most critical web applicatio...
Read full chapter →Attackers rely on a wide arsenal of techniques, often chaining multiple weaknesses together. Phishing tricks users into revealing credentials or executing malicious actions through...
Read full chapter →Defenders think in terms of controls and their timing. Preventive controls stop incidents before they happen, detective controls find them when they occur, and corrective controls...
Read full chapter →Frameworks and standards give organizations a shared vocabulary and a roadmap for managing risk. The NIST Cybersecurity Framework (NIST CSF) is a voluntary framework with five core...
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