Hello! I'm Yu-Che-Yu Taiwanese, I am very interested in computer science sincesenior high school. I major in cyber security. I have worked in the cybersecurity field for over 10 years. I am good at infi ltration using Kali, Parrot, and other operating systems. From 2016 to 2019, I participated in the offensive and defensive drills of theNational Center for Cyber Security Technology Council of the Executive Yuan. Also, visit Blackhat & Hitcon. In my spare time, I will also study cybersecurity-related technologies orcertifi cates at my own expense, and take various cybersecurity courses toimprove my skills and abilities. 大家好!我是游宇哲是台灣人，從高中開始就對計算機科學很感興趣。我主修網路安全。 我在網路安全領域工作了 10 多年。 我擅長使用 Kali、Parrot 等作業系統。 2016年至2019年，我曾參加行政院國家網絡安全技術中心的攻防演練，最好成績拿過第三名。 我會參加 Blackhat和Hitcon。 在業餘時間，我也會自費學習網路安全相關技術或證書，並參加各種網路安全課程，以提高我的技能和能力。