Sunggwan Choi

20 Fairwood Dr, Rochester, NY
Contact Information: Please check the resume

Hello, I am Choi

A second year Computing Security student at Rochester Institute of Technology. I am very passionate about building a career in Cybersecurity and Information Technology industry.

Desire for knowledge always drives me. Cybersecurity is a vast field; both vertically and horizontally. This passion drove me to be successful in class, participate in competitions, do personal side projects, become a Jr. Tech Lead for RIT's cybersecurity student club, and become a member of three different interest group related with cybersecurity.

The passion have made me to stretch further and further; to the industry. I'm a self driven and a fast learner, trying to work within the community, for the community. I'm excited to find out where this journey will lead me.

My Resume

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Windows Userland Keylogger

Objective: Learn Deployment of Malware, Incident Response
  • Developed a Windows Userland Keylogger in order to have a stronger understanding of how malwares function and how to defend against them.
  • Learned about bypassing antivirus, how to block malwares from bypassing antivirus, hiding powershell payload, relationship between word process and the shell process it spawns, code obfuscation
  • Github repository with source code is only available to recruiters upon request, for ethical reason
Powerpoint slides Link
Presentation Youtube Link (4min)

Pyransom - Build one, defend one

Objective: Programming, Cryptography, Malware Analysis, Incident Response
  • Developed a Proof of Concept ransomware with python
  • (In Progress) Wrote a brief report on analyzing and defending this malware
  • Implemented hybrid cryptosystem; AES for bulk encrypting, RSA for AES key encrypting
  • Github repository with source code is only available to recruiters upon request, for ethical reason.
Github Repo - No Source Code, only README
Report - Defending Pyransom

RITSEC Weekly Challenges - Jr.Tech Lead

Objective: Create weekly challenges based on different topics
  • Created Capture the Flag(CTF) type weekly challenges for club members to solve. Documented challenge write ups.
  • Topics covered: Networking, Cloud, Web, Cryptography, Penetration Testing, Attack Life Cycle, Reverse Engineering, Scripting
Presentation - Penetration Testing Week (18min, skim through)
Example Challenge + Writeup Link

Awards & Certifications


  • 2018 - RIT Founders Scholarship for International Students
  • 2018 - Dean's List
  • 2018 - 2nd Place RITSEC 2018 Spring Weekly Capture the Flag Challenge
  • 2018 - 2nd Place University of Buffalo Lockdown - Windows Administrator


  • 2018 - eLearning Security's Junior Penetration Tester (eJPT)


Social Service Agent

Republic of Korea Army
  • Worked at Songpa-Gu district office, Human Services Department
  • Performed tier-1 IT help desk jobs for 40 government officials
  • Retrieved and distributed donation goods to 700 Supplemental Security income individuals in Songpa-Gu

Nov 2014 - Nov 2016


Rochester Institute of Technology

Bachelor of Science - Computing Security

GPA: 3.95

Relevant Courses: System Administration I, Intro to Routing and Swiching, Network Services, Intro to Cryptography, Concepts of Computer Systems (Assembly, hardware), Intro to Database and Data modeling

Jan 2018 - May 2021