Hong Xin-Fu / Nagi — Security · Systems · Research. Articles and notes.https://seraphforge.github.io/Nagi.tw/https://seraphforge.github.io/Nagi.tw/articles/first-hackathon-in-university/https://seraphforge.github.io/Nagi.tw/articles/first-hackathon-in-university/踏入大一後的第一場黑客松。兩天的開發、資料爬蟲、睡眠不足、五瓶魔爪，以及最後用 HackMD 完成的簡報。Sun, 20 Sep 2026 00:00:00 GMTlifeCompetitionJourneyhttps://seraphforge.github.io/Nagi.tw/articles/recent-projects-and-life-update/https://seraphforge.github.io/Nagi.tw/articles/recent-projects-and-life-update/記一下最近在資安、醫療、Edge AI、Homelab、樹莓派和各種比賽之間來回挖坑的近況。Fri, 04 Sep 2026 00:00:00 GMTlife近況資安醫療資安Edge AIHomelabRaspberry Pi比賽Reflectionhttps://seraphforge.github.io/Nagi.tw/articles/frc-engineering-team/https://seraphforge.github.io/Nagi.tw/articles/frc-engineering-team/記錄我在兩週準備、賽前維修與團隊協作之後，終於完成 FRC 參賽夢想的過程與反思。Mon, 17 Aug 2026 00:51:40 GMTlifeFRCRoboticsCompetitionhttps://seraphforge.github.io/Nagi.tw/articles/retail-work-sme-security-culture/https://seraphforge.github.io/Nagi.tw/articles/retail-work-sme-security-culture/從零售業第一線工作經驗出發，反思中小企業在新人教育、設備管理、流程與資安文化上容易忽略的風險。Sat, 18 Jul 2026 00:00:00 GMTsecurityCybersecuritySecurity CultureResponsible Security CultureSME SecurityRetailPersonalhttps://seraphforge.github.io/Nagi.tw/en/articles/retail-work-sme-security-culture/https://seraphforge.github.io/Nagi.tw/en/articles/retail-work-sme-security-culture/A reflection from frontline retail work on how SMEs often overlook security education, device management, process design, and Security Culture.Sat, 18 Jul 2026 00:00:00 GMTsecurityCybersecuritySecurity CultureResponsible Security CultureSME SecurityRetailPersonalhttps://seraphforge.github.io/Nagi.tw/ja/articles/retail-work-sme-security-culture/https://seraphforge.github.io/Nagi.tw/ja/articles/retail-work-sme-security-culture/小売業の現場で働いた経験から、SME が新人教育、端末管理、業務プロセス、Security Culture の中で見落としやすいリスクについて考えた記録。Sat, 18 Jul 2026 00:00:00 GMTsecurityCybersecuritySecurity CultureResponsible Security CultureSME SecurityRetailPersonalhttps://seraphforge.github.io/Nagi.tw/articles/ctf-meets-malware-analysis-windows/https://seraphforge.github.io/Nagi.tw/articles/ctf-meets-malware-analysis-windows/從一次 Windows 7 VM 中觀察 malware.exe 的經驗出發，反思 CTF、Malware Analysis、Windows Forensics、DFIR 與 Blue Team 思維的差異。Wed, 08 Jul 2026 00:00:00 GMTsecurityCTFMalware AnalysisWindows MalwareWindows ForensicsBlue TeamDFIRWiresharkhttps://seraphforge.github.io/Nagi.tw/en/articles/ctf-meets-malware-analysis-windows/https://seraphforge.github.io/Nagi.tw/en/articles/ctf-meets-malware-analysis-windows/A reflection from observing malware.exe inside a Windows 7 VM, and how it changed the way I think about CTF, Malware Analysis, Windows Forensics, DFIR, and Blue Team work.Wed, 08 Jul 2026 00:00:00 GMTsecurityCTFMalware AnalysisWindows MalwareWindows ForensicsBlue TeamDFIRWiresharkhttps://seraphforge.github.io/Nagi.tw/ja/articles/ctf-meets-malware-analysis-windows/https://seraphforge.github.io/Nagi.tw/ja/articles/ctf-meets-malware-analysis-windows/Windows 7 VM 上で malware.exe を観察した経験から、CTF、Malware Analysis、Windows Forensics、DFIR、Blue Team の考え方の違いを振り返る。Wed, 08 Jul 2026 00:00:00 GMTsecurityCTFMalware AnalysisWindows MalwareWindows ForensicsBlue TeamDFIRWiresharkhttps://seraphforge.github.io/Nagi.tw/articles/infosec-taiwan-2026-student-industry-gap/https://seraphforge.github.io/Nagi.tw/articles/infosec-taiwan-2026-student-industry-gap/這不是一篇活動流水帳，而是我參加 InfoSec Taiwan 2026 後，對學生研究方向與企業實際資安人才需求之間落差的觀察與反思。Tue, 07 Jul 2026 00:00:00 GMTlifeInfoSec TaiwanCybersecuritySOCBlue TeamZero TrustIncident ResponseComplianceFinancial SecurityAI SecurityPost-Quantum CryptographyCareerStudentsCompetitionhttps://seraphforge.github.io/Nagi.tw/en/articles/infosec-taiwan-2026-student-industry-gap/https://seraphforge.github.io/Nagi.tw/en/articles/infosec-taiwan-2026-student-industry-gap/This is not a simple event recap. It is a reflection on the gap I saw at InfoSec Taiwan 2026 between student cybersecurity projects and the security capabilities companies actually need.Tue, 07 Jul 2026 00:00:00 GMTlifeInfoSec TaiwanCybersecuritySOCBlue TeamZero TrustIncident ResponseComplianceFinancial SecurityAI SecurityPost-Quantum CryptographyCareerStudentsCompetitionhttps://seraphforge.github.io/Nagi.tw/ja/articles/infosec-taiwan-2026-student-industry-gap/https://seraphforge.github.io/Nagi.tw/ja/articles/infosec-taiwan-2026-student-industry-gap/InfoSec Taiwan 2026 に参加して、学生の研究テーマと企業が実際に求める Cybersecurity 人材・能力の間にある距離について考えた記録。Tue, 07 Jul 2026 00:00:00 GMTlifeInfoSec TaiwanCybersecuritySOCBlue TeamZero TrustIncident ResponseComplianceFinancial SecurityAI SecurityPost-Quantum CryptographyCareerStudentshttps://seraphforge.github.io/Nagi.tw/articles/prologue-the-people-i-met-along-the-way/https://seraphforge.github.io/Nagi.tw/articles/prologue-the-people-i-met-along-the-way/Tue, 23 Jun 2026 00:00:00 GMTlifeIntroductionPersonalJourneyMemorieshttps://seraphforge.github.io/Nagi.tw/ja/articles/prologue-the-people-i-met-along-the-way/https://seraphforge.github.io/Nagi.tw/ja/articles/prologue-the-people-i-met-along-the-way/このブログを書き始めた理由。技術ノートだけではなく、一緒に歩いてきた人、物語、競技、失敗、成長を残すための序章。Tue, 23 Jun 2026 00:00:00 GMTlifeIntroductionPersonalJourneyMemorieshttps://seraphforge.github.io/Nagi.tw/articles/ten-years-from-now-dont-forget-who-you-are-now/https://seraphforge.github.io/Nagi.tw/articles/ten-years-from-now-dont-forget-who-you-are-now/Tue, 23 Jun 2026 00:00:00 GMTlifeFutureReflectionPersonalJourneyhttps://seraphforge.github.io/Nagi.tw/ja/articles/ten-years-from-now-dont-forget-who-you-are-now/https://seraphforge.github.io/Nagi.tw/ja/articles/ten-years-from-now-dont-forget-who-you-are-now/十年後の自分へ向けた個人的な文章。今の情熱、努力、失敗、一緒に歩いた人たち、そして始めた理由を忘れないでほしいという記録。Tue, 23 Jun 2026 00:00:00 GMTlifeFutureReflectionPersonalJourneyhttps://seraphforge.github.io/Nagi.tw/articles/nurse-made-me-rethink-medical-cybersecurity/https://seraphforge.github.io/Nagi.tw/articles/nurse-made-me-rethink-medical-cybersecurity/從與臨床護理師討論醫療資安專題的經驗出發，反思工程師是否真的理解醫療現場、臨床流程與需求。Tue, 23 Jun 2026 00:00:00 GMTlifeHealthcareCybersecurityMedical SecurityPersonalHealthcare／Medical IoThttps://seraphforge.github.io/Nagi.tw/en/articles/nurse-made-me-rethink-medical-cybersecurity/https://seraphforge.github.io/Nagi.tw/en/articles/nurse-made-me-rethink-medical-cybersecurity/A reflection from discussing a Medical Cybersecurity project with a clinical nurse, and realizing that engineers must first understand clinical workflows and real needs.Tue, 23 Jun 2026 00:00:00 GMTlifeHealthcareCybersecurityMedical SecurityPersonalHealthcare／Medical IoThttps://seraphforge.github.io/Nagi.tw/ja/articles/nurse-made-me-rethink-medical-cybersecurity/https://seraphforge.github.io/Nagi.tw/ja/articles/nurse-made-me-rethink-medical-cybersecurity/臨床の看護師と Medical Cybersecurity のプロジェクトについて話した経験から、エンジニアが医療現場、臨床フロー、実際の需求を理解する必要性を考え直した記録。Tue, 23 Jun 2026 00:00:00 GMTlifeHealthcareCybersecurityMedical SecurityPersonalhttps://seraphforge.github.io/Nagi.tw/articles/2026-security-conference/https://seraphforge.github.io/Nagi.tw/articles/2026-security-conference/參訪 2026 資安大會後，從零信任、AI SOC、醫療資安、OT、雲端與治理等展場主題，重新理解資安產業的真實樣貌。Sat, 09 May 2026 00:00:00 GMTsecurityCYBERSEC2026 資安大會零信任AI SOC醫療資安OT 資安Competitionhttps://seraphforge.github.io/Nagi.tw/en/articles/2026-security-conference/https://seraphforge.github.io/Nagi.tw/en/articles/2026-security-conference/After visiting the 2026 Cybersecurity Conference, I reflected on the real shape of the security industry through Zero Trust, AI SOC, medical cybersecurity, OT, cloud security, and governance.Sat, 09 May 2026 00:00:00 GMTsecurityCYBERSEC2026 Cybersecurity ConferenceZero TrustAI SOCMedical CybersecurityOT SecurityCompetitionhttps://seraphforge.github.io/Nagi.tw/ja/articles/2026-security-conference/https://seraphforge.github.io/Nagi.tw/ja/articles/2026-security-conference/2026 資安大会を参訪し、Zero Trust、AI SOC、医療資安、OT、クラウド、ガバナンスなどの展示から Cybersecurity 業界の実像を考え直した記録。Sat, 09 May 2026 00:00:00 GMTsecurityCYBERSEC2026 Cybersecurity ConferenceZero TrustAI SOCMedical CybersecurityOT Securityhttps://seraphforge.github.io/Nagi.tw/articles/not-everyone-has-to-walk-the-same-road/https://seraphforge.github.io/Nagi.tw/articles/not-everyone-has-to-walk-the-same-road/Sat, 18 Apr 2026 00:00:00 GMTlifemy story成長資安高中生活選擇https://seraphforge.github.io/Nagi.tw/ja/articles/not-everyone-has-to-walk-the-same-road/https://seraphforge.github.io/Nagi.tw/ja/articles/not-everyone-has-to-walk-the-same-road/高校生活の中で、Cybersecurity、プロジェクト、競技、進学の間に自分の方向を見つけていった個人的な成長記録。Sat, 18 Apr 2026 00:00:00 GMTlifemy storyGrowthCybersecurityHigh School LifeChoices