Lim Shi Min Jonathan

Senior Incident Responder at LSEG | OSCP+, GIAC x 16

Singapore

About

I am a Senior Incident Responder at London Stock Exchange Group (LSEG). I mainly perform digital forensics and incident response. Formerly, I was a malware analyst at the Cyber Security Agency of Singapore (CSA), National Cyber Incident Response Centre (NCIRC). I have a keen interest in cybersecurity, with a constant desire to learn more. I currently hold the following certifications: GIAC: GSEC, GCIA, GCIH, GPEN, GWAPT, GXPN, GBFA, GCFE, GCFA, GCFR, GIME, GNFA, GLIR, GCTI, GEIR, GREM. OffSec: OSDA, OSCP, OSCP+ MITRE/MAD20: - Cyber Threat Intelligence Certification - Security Operations Center (SOC) Assessment Certification - Adversary Emulation Methodology Certification - Threat Hunting and Detection Engineering Certification - Purple Teaming Methodology Certification I also actively volunteer in The Boys' Brigade as I believe in imparting various life skills to the younger generation; things that they do not usually learn in school.

Experience

  • LSEG (London Stock Exchange Group) (Hybrid)
    • Senior Incident Responder
      Apr 2025 - Present · 1 yr 4 mos

    • Incident Responder
      Nov 2023 - Apr 2025 · 1 yr 6 mos

      Global Security Operations Centre (GSOC) • Digital Forensics, Incident Response and Threat Hunting. • Develop processes and documentation for daily SOC operations. • Maintain quality control via peer review of Attack Monitoring (L2) Analyst tickets.

  • Systems Engineer (Malware Analysis) at Cyber Security Agency of Singapore (CSA)
    Jan 2021 - Oct 2023 · 2 yrs 10 mos

    National Cyber Incident Response Centre (NCIRC) - Malware Analysis • Analyse malicious files, executables and artefacts. • Digital Forensics and Incident Response. • Was under the Cybersecurity Development Programme (CSDP - Batch 2).

  • Guest Lecturer / Teaching Assistant at Nanyang Technological University Singapore
    Aug 2022 - Dec 2022 · 5 mos

    CZ4069 - Concepts and Techniques for Malware Analysis • Guest lectured on memory forensics for malware analysis. • Created assignment on memory forensics for malware analysis. • Assisted the Adjunct Lecturer on teaching malware analysis concepts to students. • Module taught as part of a collaboration between NTU and CSA.

  • Research And Development Intern at Acronis
    May 2019 - Nov 2019 · 7 mos

    Security and Compliance - Cyber Protection Operations Centre (CPOC) • Developed automation tools for use in CPOC. • Maintained systems and tools that are used in CPOC. • Participated in security research projects (e.g. IoT security).

  • Platoon Sergeant at Singapore Armed Forces (SAF)
    Jan 2015 - Mar 2016 · 1 yr 3 mos

    I completed my National Service with the 1st Battalion Singapore Infantry Regiment (16th Mono), Bravo Company. As a HQ Platoon Sergeant: • Enforced discipline and training standards of the company. • Served as the acting Company Sergeant Major (CSM) in the absence of the CSM.