Keep Your OT Network Running Without Interruption.

Safeguard industrial control networks and SCADA environments against advanced persistent threats.

OT Network Monitoring Highlight

Advanced defenses for complex industrial environments.

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Cyber/Physical ICS Security

End-to-end protection across both cyber and physical layers.

Covers PLCs, HMIs, RTUs, sensors.

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ICS Security Research

Offensive and defensive research to strengthen resilience.

Offensive & defensive methods.

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ICS Risk & Compliance

Audit-ready alignment with industry standards and regulations.

Aligned with IEC 62443 & NIST 800-82.

Trusted. Tested. Empowering

Safeguarding control systems with research-driven protection.

Deep OT Expertise

Specialists in SCADA, ICS, and critical infrastructure.

Non-Disruptive Approach

Security that respects operational continuity.

Holistic Protection

Covering IT–OT convergence risks.

Proven Methodology

Actionable strategies backed by field experience.

Insight

Stay ahead with the latest publications, research briefs, and expert perspectives on cybersecurity.

Web App Penetration Testing
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Web App Penetration Testing

Actionable, easy-to-understand reports for leadership and technical teams.

Driving Portfolio-wide Value with Cybersecurity
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Driving Portfolio-wide Value with Cybersecurity

Comprehensive guide to maximizing cybersecurity value across your portfolio companies.

Atumcell Publications

Atumcell Publications

Explore our latest whitepapers, case studies, and reports designed to strengthen security strategy.

Frequently Asked Questions

We work across SCADA systems, distributed control systems (DCS), PLCs, HMIs, RTUs, historians, and engineering workstations. Industries served include oil and gas, utilities, water treatment, manufacturing, and critical national infrastructure.

OT safety is our first priority. We use passive network monitoring and traffic capture before any active testing, conduct all active work in agreed maintenance windows, and avoid sending any traffic to field devices unless explicitly scoped. Where possible we work from a replicated or staging environment. You will never receive a pentest report before we've confirmed operations are stable.

Our ICS security assessments map directly to IEC 62443 (Industrial Automation and Control Systems security), NIST SP 800-82 (Guide to OT Security), and NERC CIP for electric utilities. We can produce audit-ready evidence packages aligned to whichever framework your regulator or insurer requires.

Yes. Air-gapped and purdue-model segmented environments require a different methodology than IT networks. We use on-site assessment techniques, portable capture hardware, and manual review to assess air-gapped environments without requiring internet connectivity from the OT network.

In IT security, confidentiality is the top priority. In OT security, availability and safety come first — a vulnerability that causes a controller to stop responding can have physical consequences, from production downtime to safety incidents. This means OT testing requires specialist knowledge of industrial protocols (Modbus, DNP3, EtherNet/IP, Profibus), equipment vendors, and the operational context of every test action.

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