- Restoration and optimization of legacy PLCs/RTUs from Siemens S5, Allen Bradley, and Schneider Modicon.
- Integration of updated firmware and secure protocol wrappers (Modbus-TCP, DNP3-Secure).
- Deployment of device cloaking and protocol patchwork using OctavveShield for cyber-resilience.
- OT asset lifecycle extension through device virtualization and test-benching.
Legacy Devices & Patchwork
Project: Modernization and Security Hardening of legacy PLC/RTU systems at hydro and thermal plants
Client: Energy GCC (Vertical: Power Generation – Legacy OT Infrastructure Upgrade)
Features of Our Technology
Retrofit older OT assets with modern security layers without disrupting operations.
Offers secure patching for obsolete protocols (e.g., Fieldbus, Profibus, LON, BACnet) into cloud-ready formats.
Field-deployable kits with multi-vendor connectors, HMI adapters, and diagnostics software.
Boosts device longevity by 5–7 years through custom firmware injection & cybersecurity overlays.
Popular Questions Answered
- Time Mastery – How fast is implementation?
2–5 days per device group (depending on model, availability of firmware, and communication standard). Rapid deployment via pre-configured patch kits. - Money Mastery – Is this cost-effective vs. replacement?
Up to 70% cheaper than full hardware replacement. Enables phased digital transformation without CAPEX shock. - Delivery Mastery – What’s the output or deliverable?
A fully secured, operational legacy asset ecosystem with updated firmware, secure communication, and remote observability options. - Destination Mastery – Where does this lead the client?
Toward a hybrid OT-IT infrastructure that supports cloud/edge integration, regulatory compliance, and cybersecurity maturity.
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Complete Confidentiality
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Competence
Deep expertise in multi-brand PLC/RTU patching, protocol migration, and OT-IT bridging.
Remote Housing Monitoring
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Technologies
Reverse engineering, firmware patching, protocol conversion (e.g., Modbus RTU ↔ MQTT), cyber cloaking.
Quality & Security
Follows ISA/IEC 62443, NIST SP800-82, and DoD ZTA-IPDRR-G standards for legacy systems.
Full Backup of Information
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Best Practices
Digital twin-assisted diagnostics, OT sandbox testing, and supply-chain-safe refurbishing.
Innovation
Converts legacy devices into secure edge computing nodes through patchwork & gateway extensions.
Where are you at?
We’re currently engaged in legacy OT upgrade projects across India’s energy, infrastructure, and pharma sectors, helping clients harden OT perimeters without replacing core devices.
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The cost of your services?
₹90,000 per asset group (incl. GST) for patchwork + device enhancement. Discounts available for 5+ device batches. Includes assessment, firmware patching, and test report.
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