Securing the Future — Cybersecurity in the IoT-OT Landscape

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Introduction

As more devices connect and data becomes central to operations, security risks multiply. In the realm of IoT and OT, a breach isn’t just digital—it can be physical and catastrophic. Today, we look at how to build a secure, resilient environment.

Unique Security Challenges

  • Legacy OT systems often lack encryption or authentication.

  • IoT devices are attractive targets due to their ubiquity and often poor security.

  • Convergence risk: Connecting IT and OT expands the attack surface.

Top Security Strategies

  1. Network Segmentation – Isolate OT from IT and IoT networks.

  2. Zero Trust Architecture – Never trust, always verify.

  3. Regular Patch Management – Keep all devices and systems up to date.

  4. Behavioral Monitoring – Use AI/ML to detect anomalies.

  5. Incident Response Planning – Prepare for worst-case scenarios with clear action plans.

Compliance and Standards
Follow best practices like:

  • ISA/IEC 62443

  • NIST Cybersecurity Framework

  • ISO/IEC 27001

Final Thought
IoT and OT convergence is not just about innovation—it’s about responsibility. Security should be a foundational element, not an afterthought.

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