Episode 139: The CIA Triad and Types of Network Threats

Every security strategy begins with the CIA Triad—Confidentiality, Integrity, and Availability. In this episode, we explore how these three principles guide all security policies and how various threats can undermine each one. Confidentiality threats include unauthorized access and data breaches. Integrity threats involve tampering, spoofing, or unauthorized changes. Availability threats include DDoS attacks and hardware failures that block access.We also categorize threat types including malware, phishing, insider threats, and zero-day exploits. Each is mapped to the part of the triad it threatens, helping you understand how and where to apply protective controls. This episode lays the philosophical and practical foundation for every security decision you’ll make.

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