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Profile Photo Ricky Lu (Cheng-Hung Lu)

Whoami

Hi, Ricky here — from Keelung & Taipei, with a background in networking and infrastructure that has evolved into a focus on information security.

Currently working as a Security Engineer at Cymetrics. Interests span vulnerability research, Blue Team operations, and CTF competitions.

Education:
Taipei Municipal Da'an Vocational High School
Dept. of Computer Science 2021 - 2024

High School

National Taiwan University of Science and Technology
Dept. Electronic and Computer Engineering 2024 - Est. 2030

Bachelor's Degree

National Taiwan Normal University
Dept. Computer Science and Information Engineering 2025 - Est. 2029

Bachelor's Degree

Working Experiences

AIFT Enterprise
Jan 2024 - Now
ONESLEEVE (SG) PTE. LTD, TAIWAN BRANCH Jul 2025 - Now
Security Engineer Mar 2026 - Now
Intern Security Engineer Jul 2025 - Mar 2026
ONEDEGREE HONG KONG LIMITED, TAIWAN BRANCH Jan 2024 - Mar 2026
Intern Network Engineer Jan 2024 - Mar 2026
Simple Information
Jul 2021 - Now
Simple Information, Inc. Aug 2024 - Now
Founder & Technical Project Manager Aug 2024 - Now
404 Network Information Co. Jul 2021 - Aug 2024
Co-Founder & Network Engineer Jul 2021 - Aug 2024

Certifications

Cisco Certified Cybersecurity Associate Also known as: Cisco Certified Network CyberOps Associate, CBROPS, Cybersecurity-A Cisco Systems, Inc. Certificate ID: 7bc3032aa6484ce3bbbaf8ba2b48b511
Sep 2025
Cisco Certified Network Professional Security Also known as: CCNP Security, CCNP-S Cisco Systems, Inc. Certificate ID: 3bddb585815940399267a7d6c6f38402
Sep 2025
Cisco Certified Specialist - Security Core Cisco Systems, Inc. Certificate ID: a859c1cd77024a1e901b9b360534cf43
Sep 2025
Cisco Certified Specialist - Network Security VPN Implementation Cisco Systems, Inc. Certificate ID: 7385934b77e7451ab1bfbc0749b06c3f
Sep 2025
Information Security Engineer - Associate Level Ministry of Economic Affairs (Taiwan) Certificate ID: B-S11-2409-2024
July 2024
Computer Hardware Fabrication - C Level Technician Ministry of Labor (Taiwan) Certificate ID: 120-0292806
July 2023

Vulnerability Discovery

CVE-2026-2904 UTT HiPER 810G — Buffer Overflow CVSS 4.0: 8.7 / 3.1: 8.8 / 2.0: 9
2026
CVE-2026-2911 Tenda FH451 — Buffer Overflow CVSS 4.0: 8.7 / 3.1: 8.8 / 2.0: 9
2026
CVE-2026-2963 Jinhe OA C6 — SQL Injection CVSS 4.0: 5.3 / 3.1: 6.3 / 2.0: 6.5
2026

Contest

資安技能金盾獎 Final, 1st Place (海豹海豹我的神, Play with Team)
2023
教育部智慧鐵人創意競賽 Final, 3rd Place (我想去比決賽 & 高中職組, Play with Team)
2023
實踐大學企管系小論文競賽, 2nd Place (試申論 Chat GPT 對高中職生的學涯及職涯抉擇之影響, Write with Team)
2024
台北市性別平等小論文競賽, Excellent Work (解析網路社交平台: 性別暴力蔓延之地? 以「霸社」為鑑, Write with Team)
2024
CyberSec CyberRange Fianl, 7rd Place (Hosted by iThome & TRAPA, Solo)
2024
54 全國技能北區分區賽, 5rd Place (網路與資訊技術, Solo)
2024
神盾盃 Preliminary, 13rd Place (從缺, Play with Team)
2024
AIS3 EOF 進階資安攻防演練, 最佳藍色小精靈獎 (希望這次可以進決賽><, Play with Team)
2025
55 全國技能北區分區賽, Excellent Work (雲端運算, Solo)
2025

Presentation

資訊實作與演練 - 斗六高中 (一日資訊體驗營, 教育部資安人才培育計畫)
Mar 2024
資訊安全基礎認識 - 羅東高工 (一日資訊體驗營, 教育部資安人才培育計畫)
Jun 2024
Linux 101+ - 百齡高中 (社團實作, 教育部資安人才培育計畫)
May 2025
版本管理與部署:從 Git 到 Google Cloud 的完整流程 - SITCON Camp 2025
Jul 2025

Community & Conference

Students’ Information Technology Conference
2023 - Now
Conference for Open Source Coders
2023 - Now
SITCON Camp (SITCON 夏令營)
2025 - Now
ARIN 53 (Hosted by American Registry for Internet Numbers)
2023
SCINT 北台灣學生資訊社群
2022 - 2023

Posts