An elementary school teacher working in the field of campus network operations and security.

In the early stages, school network environments were relatively simple, with primary focus placed on basic management and daily operations. Risk awareness and security considerations were limited. As campus services expanded and real-world attacks and anomalies were encountered, it became clear that a network must do more than simply function — it must be capable of reliably and sustainably supporting teaching and administrative operations over the long term.

Driven by both interest and a sense of responsibility, he began actively engaging in network architecture and security studies. Through self-directed learning and repeated practical implementation within the school environment, he gradually developed a deeper understanding of network and system fundamentals. Over time, his focus shifted toward reducing risk, preventing recurring issues, and recognizing that cybersecurity has no true endpoint — only continuous refinement and long-term accumulation.