Summary
Overview
Work History
Education
Skills
Websites
Advanced Training And Experiences
Certification
Languages
Timeline
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JUNGHYUN CHO

Elkridge,MD

Summary

Dynamic Technology Leader with extensive technical expertise and strong business acumen, proficient in navigating complex environments with a risk-focused approach. Expertise includes guiding innovative initiatives, conducting thorough vulnerability assessments, and resolving critical breakdowns across applications, systems, and networks. Recognized for successfully managing multiple intricate projects simultaneously, enhancing security protocols, and delivering significant improvements in operational efficiency. Committed to leveraging these skills to advance technological strategies and optimize risk management practices.

Overview

10
10
years of professional experience
1
1
Certification

Work History

IT SUPPORT SPECIALIST

UNTETHERED LABS
College Park, MD
02.2023 - Current
  • Provided enterprise-level support and technical consultation for the authentication platform across various industries.
  • Expanded internal cybersecurity policy development in 2024, enhancing the company's security posture.
  • Executed installation, troubleshooting, and optimization of GateKeeper in multi-site environments.
  • Performed hands-on configuration and live technical support during 23+ domestic and international visits in 2024.
  • Advised clients on best practices for proximity-based authentication and multi-factor security enforcement.
  • Facilitated security processes by detecting system weaknesses.
  • Led initiatives in crafting cybersecurity policies to strengthen organizational security.
  • Resolved high-level technical issues related to server configurations, authentication policies, and SSL certificates.
  • Created and updated internal documentation and public knowledge base articles.
  • Collaborated with executive leadership to evaluate risk factors.

SERGEANT & TEAM LEADER

UNITED STATES ARMY
Fort Drum, NY
01.2015 - 05.2018
  • Steered various projects and assignments, culminating in team leadership.
  • Led and guided soldiers in training programs and operational tasks.
  • Collaborated with management to identify strategies for enhancing technical support.
  • Created streamlined procedures for Help Desk operations.
  • Functioned as the only server administrator, managing over 2,000 end-user requests.
  • Served as Certified and Accredited Key Management Infrastructure Communications Security Officer.
  • Supported certification and accreditation processes.
  • Assisted in the creation, implementation, and administration of WDS, Exchange, Voice, Print, Web, and File services, including DFS.
  • Served as primary armorer, responsible for managing $2.6M worth of sensitive items.
  • Earned recognition through commendation and achievement medals reflecting exemplary service.

Education

Master of Science - CYBER OPERATIONS

University of Maryland Global Campus
Adelphi, MD
05-2023

Bachelor of Science - NETWORKS AND CYBERSECURITY

University of Maryland Global Campus
Adelphi, MD
05-2021

Skills

  • Cybersecurity management
  • Risk Analysis & Management
  • Cloud security expertise
  • Security Control Design
  • Cybersecurity evidence gathering
  • Network vulnerability assessment
  • Risk vulnerability assessments
  • SIEM
  • IDS
  • TCP/IP
  • Firewalls
  • LAN/WAN
  • Wireshark
  • Active Directory
  • Zendesk
  • O365
  • Linux
  • Windows
  • System Administration & Configuration
  • Network Planning/Implementation
  • Information System Engineering
  • Malware Analysis
  • Cryptography
  • Testing
  • End-User Support
  • Process Reengineering
  • Root Cause Analysis
  • IT Documentation
  • Cybersecurity policy
  • Technical support
  • Network troubleshooting
  • Multi-factor authentication
  • Customer service
  • Risk assessment
  • Team leadership
  • Technical documentation
  • Problem solving
  • Knowledge base management
  • Remote support

Advanced Training And Experiences

  • Participated in CTF (Capture the Flag) Competitions and Hackathons.
  • Joined National Security Agency (NSA) Codebreaker Challenge.
  • Completed 3 badges on PentesterLab: XXS & My SQL file | Web 4 Pentester 2 | Web 4 Pentester 1
  • Accomplished TryHackMe Challenges: Cyber Defense | JR Penetration Tester | Offensive Pentesting | Red Teaming

Certification

  • CompTIA Security+

Languages

Korean
Native/ Bilingual

Timeline

IT SUPPORT SPECIALIST

UNTETHERED LABS
02.2023 - Current

SERGEANT & TEAM LEADER

UNITED STATES ARMY
01.2015 - 05.2018

Master of Science - CYBER OPERATIONS

University of Maryland Global Campus

Bachelor of Science - NETWORKS AND CYBERSECURITY

University of Maryland Global Campus

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