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Proudly on .id — Indonesia's national domain

Yehezkiel Almasar Tampubolon

also known as Kiell

I secure systems by day and teach Indonesia's next generation of digital talent the rest of the time, from DNS security to safe domain adoption.

Cybersecurity Engineer · .id Academy Trainer (PANDI) · Internet Governance Advocate · Batam, Indonesia (working across Indonesia & Singapore)

01 / About

About

Cybersecurity engineer with cross-border experience in Indonesia and Singapore, and an active trainer for PANDI's .id Academy since 2024.

My work sits at the intersection of internet governance and DNS ecosystem security: phishing and DNS abuse mitigation on the operational side, digital literacy and safe .id adoption on the community side.

Founder of Cyber Nova, a Batam-based security startup.

Completed PANDI's Training of Trainer on DNS and DNSSEC and took part in DNS APAC 2024.

02 / Experience

Experience

  1. Jul 2025 – Present

    Founder & CEO

    Cyber Nova · Batam

    • Security startup: vulnerability assessment, threat intelligence, digital defense architecture.
    • Leads cross-functional technical teams and promotes local cyber talent.
  2. Jul 2024 – Present

    Security Engineer

    Constellar · Singapore (hybrid)

    • Security assessments and vulnerability scans.
    • Alert and incident monitoring and response.
    • Phishing simulation campaigns.
    • Security reporting for stakeholders across a multicultural organization.
  3. Jul 2023 – Jul 2024

    Kampus Merdeka Mentor, Red Hat & AI

    PT Kinema Systrans Multimedia (Infinite Learning) · Batam

    • Mentored students nationwide to RHCSA (EX200) and AI & Cybersecurity Practitioner certification.
  4. Oct – Dec 2022

    Junior Cyber Security / IT Support

    PT Schneider Electric · Batam

    • Production endpoint security (SCCM, Cylance, SentinelOne).
    • Network monitoring and incident documentation.

03 / Training & Speaking

Training & Speaking

2,000+

learners reached

6+

institutions & programs

2

countries (ID & SG)

  • 2024 – Present

    .id Academy (PANDI)

    Active Trainer

    Digital literacy and internet governance bootcamps: UNIMA (Manado, eastern Indonesia) and ITEBA (Batam).

  • Nusa Dua, Bali · Jul 2024

    PANDI Training of Trainer

    DNS Fundamentals to DNSSEC

    Instructors including Champika Wijayatunga (ICANN). Participant, DNS APAC 2024.

  • Jul – Oct 2025

    Hundreds of learners

    Google Cloud Arcade (via Dicoding)

    Facilitator

    Hundreds of learners across cloud and cloud security pathways.

  • Nov 2024

    DTS × Google Career Certificates (Kominfo)

    Cybersecurity PROA Facilitator

    National digital talent scholarship program facilitation.

  • Jun 2025

    100+ attendees

    Hacktiv8

    Speaker — "Phishing 101: Don't Be a Victim!"

    Practical anti-phishing session for a developer audience.

  • 2025

    400+ attendees

    Schoters by Ruangguru, Work Abroad Festival 2025

    Panelist — "Hack the Future: Building a Cybersecurity Career in Singapore"

    Career panel on building a cybersecurity career across borders.

04 / What I Do

What I Do

01

Offensive & Defensive Security

Penetration testing, threat intelligence, vulnerability management.

02

DNS & Internet Governance

DNS abuse mitigation, DNSSEC, safe .id adoption, multistakeholder engagement.

03

Training & Community

Curriculum design, workshops and bootcamps from campus to industry.

05 / Certifications

Certifications

06 / Writing

Writing

07 / Contact

Contact

Open to speaking invitations, training collaborations, and security engineering opportunities.