Prof. Dr. Bilgin Metin, Head of the Management Information Systems Department at Boğaziçi University, explains information security not through technical jargon, but by using examples from everyday life.
Information security can be summarized by three core principles: availability, confidentiality, and integrity. These concepts are so fundamental that they also define the very essence of trust—what it means to trust someone. Whom do we trust? We can look at these three principles in the context of our daily lives to better understand and remember them. Consider the concept of “availability”—in Turkish, we have expressions like “a friend for a rainy day” or someone who will be there for you “no matter what.” The friendships we rely on are, in this sense, “available” or constant; we trust people who are consistently there for us. Then there is “confidentiality”—our friends are often the ones we entrust with our deepest secrets. If someone shares a secret we’ve entrusted to them with others, we certainly wouldn’t trust that person again. Thus, the principles of availability, confidentiality, and integrity form the very foundation of trust. And what do we mean by “integrity”? It means that data cannot be altered by others without our authorization. In our daily lives, integrity translates to consistency—keeping the promises you make to someone. Therefore, the principles of information security—availability, confidentiality, and integrity—are also the principles that underpin trust and friendship. I use this analogy in my classes to help my students remember these three core concepts. Availability, for instance, ensures that the right people—those who need it—can always access the data.
Fundamental Principles of Information Security
In today’s digital age, information security has become more important than ever. The core principles of information security—availability, confidentiality, and integrity—are critical for ensuring the security of both individuals and organizations. Far from being merely technical concepts, these principles serve as the cornerstones of trust in our daily lives. In this article, we will examine these three fundamental principles of information security in detail.
Availability: The Continuity of Trust
Availability refers to ensuring that access to information is constant and uninterrupted. This principle parallels the concept of reliability—much like a “friend in need” or someone who remains dependable regardless of the circumstances. Availability guarantees that information is accessible whenever it is required, thereby ensuring the continuity of trust.
Confidentiality: Discretion and Trust
Confidentiality is the principle that prevents unauthorized individuals from accessing information. Just as we might share our deepest secrets only with trusted friends, this principle ensures that information is shared exclusively with authorized parties. A breach of confidentiality undermines trust; therefore, it stands as one of the cornerstones of information security.
Integrity: Consistency and Reliability
Integrity refers to ensuring that information remains unaltered by unauthorized parties and maintains its consistency. Much like keeping a promise made to someone in everyday life, integrity guarantees the reliability and accuracy of information. This principle forms the foundation of trust in information.
Reflections of Information Security in Daily Life
These three principles of information security also play a significant role in our daily lives. Availability, confidentiality, and integrity are not merely technical concepts; they are also the cornerstones of trust in human relationships. These principles are of critical importance for ensuring the security of both individuals and organizations.
The Importance of Information Security
Information security provides protection not only for individuals but also for organizations. These three principles form the foundation of information security and should therefore be adopted by every individual and organization. In the digital age, information security has become more important than ever, and these principles play a critical role in maintaining a secure digital environment.
Conclusion
Availability, confidentiality, and integrity—the core principles of information security—are vital for ensuring the security of both individuals and organizations. Beyond being technical concepts, they serve as the cornerstones of trust in our daily lives. In the digital age, information security has become more significant than ever, and these principles are essential for fostering a secure digital environment. Consequently, understanding and implementing these three fundamental principles of information security is of vital importance for both individuals and organizations.
About the Wise
