What to Consider in Your OT Security Provider Choice
The questions that separate real OT coverage from rebadged IT security.



Why it is worth reading
Manufacturers pushing into smart manufacturing face stricter compliance requirements like NIS2 and IEC 62443, growing demands on IT and OT infrastructure, a severe skills shortage and constant cost pressure. And the two worlds are connected in the worst way: 58% of attacks start from IT breaches into ICS/OT networks.
This guide lays out the seven factors that separate a real OT security partner from rebadged IT security: auditing expertise across IT and OT, technology tailored to your environment instead of cloud-only by force, 24x7 operational support, a comprehensive tech stack, a proven IEC 62443 track record, Zero Trust experience and the ability to operate the entire infrastructure.
What is inside
- Key challenges for manufacturersHigher security standards through NIS2, the need for flexible high-performance infrastructure, skills shortages and cost pressure.
- Expertise in auditing IT and OTThorough assessments, Zero Trust Architecture know-how and a transition plan toward IEC 62443 certification.
- Flexible technology tailoringZTNA and OT firewalls fitted to your operations - on-premises or shared cloud, never a forced cloud-only model.
- Operational support for both domains24x7 incident handling, lifecycle management and a single point of contact with consolidated contracts.
- Track record and Zero Trust experienceProven help getting organizations to IEC 62443 certification and managing Zero Trust transformations in OT.
- Operating the entire infrastructureFrom network management to security monitoring and incident response, delivered continuously and backed by robust SLAs.
As IT and OT converge, operational efficiency depends on seamless integration and management across both domains.Who it is for
- OT and plant security owners at manufacturing companies
- CISOs and IT leaders working toward NIS2 and IEC 62443 compliance
- Teams evaluating managed providers to close IT and OT skills gaps
Founded in Switzerland. Backed by Swiss Post.
Founded in Switzerland in 1990, Open Systems generates more than USD 100 million in annual revenue and supports global enterprise customers operating in more than 180 countries. Since 2024, the company has been part of Swiss Post, combining Swiss trust and stability with global reach. As a European alternative to US- and Israel-based cybersecurity providers, Open Systems is guided by strong principles around sovereignty requirements, regulatory alignment, transparency and shared responsibility - taking clear ownership for security, performance and operational outcomes, helping organizations maintain control in an increasingly complex digital landscape.
Autonomous SASE. AI-powered. Human-backed.
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