Case study • Mining
Gold Mining Group — OT Segmentation & Remote Access Hardening
A mining group needed to reduce OT exposure risk while keeping production stable. The focus was segmentation and vendor remote access pathways.
OT/ICSSegmentationRemote accessMining
Challenge
- Legacy OT networks with operational constraints
- Vendor remote access required for maintenance
- Need for practical staged remediation
Approach
- Pathway review between enterprise and OT zones
- Remote access hardening recommendations (jump hosts, MFA, monitoring)
- Prioritised remediation plan aligned to maintenance windows
Outcomes
- Reduced high-risk pathways without downtime
- Clear zoning and control uplift plan for the next quarter
- Improved readiness for OT incidents with playbook guidance
Deliverables
- Executive OT risk report
- Segmentation recommendations and priority rule changes
- Remote access hardening checklist and monitoring guidance
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