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Orbit Network Security Sydney-based • Serving APAC • OT Network & Security
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Secure, Resilient OT Networks for Energy & Industrial Sites

Design, installation, and security uplift for renewable energy and critical infrastructure environments across APAC. Practical delivery: site installs, brownfield upgrades, firewall/VPN, segmentation, and SOCI-aligned monitoring readiness.

Email for availability View services orbitnetsec.com
Sydney (Australia) APAC travel Solar / Wind / BESS OT / SCADA networks SOCI / CIRMP Rule 8 AESCSF-aligned

Typical quick wins

New site connectivity
WAN + VPN, failover, clean remote access patterns, handover notes.
Firewall swap / uplift
Rules, NAT, IPsec, cutover plan, rollback, validation.
OT segmentation
VLANs, zones, least privilege access, vendor access controls.
Logging & SOC readiness
Event sources, SIEM feeds, evidence packs for monitoring/detection.

Toolbox

FortiGate / FortiAnalyzer Check Point (R81.x / 6400) Cisco (Firepower / IR / IE) IPsec / BGP / VTI Westermo / ISA3000 VMware / Broadcom Azure SCADA / OT environments

Services

Site installs & upgrades

  • Switch/router/firewall install & commissioning
  • WAN circuits + backup links (cellular / failover)
  • Cutover planning, rollback, validation
  • Comms cabinet tidy-up, labeling, as-built pack

Small OT network design

  • Segmentation (zones & conduits approach)
  • IP plans, VLANs, routing, resiliency
  • Vendor remote access models (practical & secure)
  • Design + build packages with handover

Security & monitoring

  • Firewall policy / NAT / VPN reviews
  • Logging sources + SOC/SIEM readiness
  • Baseline hardening for OT comms paths
  • Evidence packs for audits / assurance

If you have a specific job (firewall replacement, site-to-core VPN, segmentation uplift), email a brief scope and I’ll propose a day-rate or fixed package.

SOCI uplift (not just “IT security”)

Practical uplift aligned to SOCI / CIRMP Rule 8 and AESCSF expectations — improving monitoring readiness and defensible evidence, without disrupting operations.

What good looks like

  • Clear monitoring coverage and escalation paths
  • Repeatable threat & anomaly handling
  • Defensible artefacts: alerts, tickets, timelines, reports
  • Controls that are “reasonably practicable” and auditable

Common deliverables

  • Logging source inventory & coverage mapping
  • Monitoring/alert baseline + tuning recommendations
  • Site handover pack + as-built diagrams
  • Simple evidence pack for assurance reviews

How to engage (fast)

Best email to send

  • Site / location and target dates
  • What needs installing/designing (devices/brand)
  • Access constraints + outage window
  • Who signs off (EPC / O&M / owner)

Engagement types

  • Short contract: 1–10 days (site install / cutover)
  • Package: design + build + handover
  • Remote support: review, planning, validation
  • On-call burst: project peak / outage support

Contact

Email is best. Send a short scope and I’ll confirm availability and next steps.

Email: info@orbitnetsec.com

Base: Sydney, Australia • Coverage: All APAC (remote + site travel)