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PROJECT / 02Major Case Study
IT/OT Network Segmentation & Firewall Hardening Assessment.
Assessed IT/OT connectivity and communication dependencies to prepare a staged firewall-hardening approach that accounts for operational risk.
- Company
- PT Indo Raya Tenaga
- Period
- 2026
- Status
- Assessment / Improvement Planning
01 / Scope & contribution
- Assessed existing IT/OT connectivity and firewall behavior.
- Reviewed communication paths against segregation objectives.
- Mapped network dependencies and cross-zone communication requirements.
- Compared documented topology against actual infrastructure.
- Prepared a staged firewall-hardening approach designed to minimize operational risk.
02 / My role
- Assessment
- Dependency mapping
- Security architecture review
- Technical documentation
- Risk assessment
- Change planning