Independent cyber expertise across IT & OT.
Vendor-neutral advisory for enterprise IT, operational technology, building management systems, and critical infrastructure—where digital security directly affects operations, safety, and continuity.
IT Security & Infrastructure
End-to-end cybersecurity advisory for major IT transformations, core network redesigns, data center builds, and hybrid cloud migrations—from concept and RFP through design review and handover.
We embed security into specifications, vendor selection, and engineering documentation before systems are deployed.
Explore IT Security →Operational Technology Security
Cybersecurity consulting for power, water, oil & gas, and industrial environments where ICS, SCADA, and DCS systems control physical processes.
We help organizations secure OT without compromising availability, safety, or operational reliability.
Explore OT Security →
Our Services
Practical, engineering-led cybersecurity across IT and operational environments.
IT Security
Lifecycle security advisory for data centers, core networks, cloud migrations, and enterprise IT projects.
BMS Cybersecurity
Independent security consulting for Building Management System projects—from design and tender through commissioning and handover.
Critical Infrastructure & OT
OT/ICS assessments, architecture review, segmentation, and risk management for essential service environments.
Virtual CISO & Advisory
Executive cyber leadership and strategic advisory for startups and growth-stage organizations.
Why Shelef Technologies
Consultancy built around how IT and OT environments actually operate.
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Vendor-Neutral Advisory We represent your interests exclusively—no product sales, no integrator affiliations.
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Engineering-Led Approach Deep technical background across networking, systems engineering, and enterprise defense.
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IT / OT Bridge Security measures aligned with network performance, resilience, and operational workflows.
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Security by Design Cybersecurity embedded from concept and design—not retrofitted after deployment.
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Israel & Global Reach Advising medium-to-enterprise organizations in Israel and across the globe.
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Practical & Actionable Clear priorities and realistic measures that support both security and business operations.
Our Approach
Security must support operations. We improve cybersecurity while respecting the availability, safety, and reliability requirements of your environment.