Portfolio & Case Studies
How S5 Consultants helps clients design, secure, and operate complex systems.
Featured Projects
Mining Site OT Security Hardening
A mid-tier iron ore operator needed to connect remote pits to a central operations centre without exposing legacy control systems to modern cyber risks.
- Assessed OT network and assets
- Designed ISA/IEC 62443 zones and conduits
- Specified jump-host remote access with MFA
- Reduced external attack surface by 70%
Water Utility SCADA Upgrade
A regional water utility replaced ageing SCADA hardware while maintaining continuous service and regulatory compliance.
- Requirements and HMI redesign
- Alarm rationalisation program
- FAT/SAT planning and commissioning support
- Cut nuisance alarms by 60%
Oil & Gas SIF Verification Program
An upstream operator had modified process conditions and needed to confirm existing SIFs still met their SIL targets.
- Re-verified SIF architectures and failure data
- Reviewed proof test effectiveness
- Updated safety requirements specifications
- Identified three SIFs needing modification
Industries We Serve
Mining & Resources — from pit-to-port control systems to remote operations cybersecurity.
Oil & Gas — upstream and midstream safety, SCADA, and SIS lifecycle support.
Water & Utilities — treatment and distribution control system upgrades and readiness.
Download Detailed Case Studies
Read the full project summaries in our case studies PDF.