The OT Threat Landscape: Actors, Motives, and Attack Patterns

OT Cybersecurity Fundamentals — Estimated reading time: 12–14 minutes Introduction So far, the series of our previous articles has focused largely on how OT systems are structured, how cybersecurity frameworks […]

Do We Really Need All Three? Using NIST CSF 2.0, NIST SP 800-82 Rev. 3, and IEC 62443 Without Creating Framework Overload

OT Cybersecurity Fundamentals — Estimated reading time: 10 minutes Introduction In Article 6, “Putting OT Cybersecurity Frameworks to Work: From Risk to Requirements,” we discussed how NIST CSF 2.0, NIST […]

Putting OT Cybersecurity Frameworks to Work: From Risk to Requirements

OT Cybersecurity Fundamentals – Estimated Reading Time 12 Minutes Introduction The previous article described how several cybersecurity references can work together as one practical operating model. NIST CSF 2.0 helps […]

Building One Framework from Three Standards — and Connecting Cybersecurity with Functional Safety

OT Cybersecurity Fundamentals – Estimated Reading Time 12 minutes Note: This article presents a practical organizational integration model for OT cybersecurity, particularly for critical infrastructure and process industries. It is […]

IEC 62443: Zones, Conduits, and Security Levels

OT Cybersecurity Fundamentals — Estimated reading time: 8 minutes Introduction We have built the foundation step by step starting from the first article titled “Why OT Cybersecurity Is Not IT […]

NIST SP 800-82 Rev. 3: The OT Security Playbook

OT Cybersecurity Fundamentals — Estimated reading time: 8 minutes Editorial note: This article discusses NIST SP 800-82 Rev. 3, published in September 2023. NIST initiated a revision process for SP […]

NIST Cybersecurity Framework (CSF) 2.0 Applied to OT

OT Cybersecurity Fundamentals – Estimated reading time: 7 minutes Introduction In the first article, we discussed why OT cybersecurity cannot simply be treated as IT cybersecurity (with industrial devices). In […]

Inside the Purdue Model: Mapping the OT Architecture

OT Cybersecurity Fundamentals – Estimated reading time: 7 minutes After understanding why OT cybersecurity is different from IT cybersecurity, we move on to the next thing which is represented by […]

Why OT Cybersecurity Is Not IT Cybersecurity: Where Cyber Risk Meets the Physical World

OT Cybersecurity FundamentalsEstimated reading time: 6 minutes A cybersecurity incident in a business environment can disrupt email, data, applications, or customer-facing services. In an Operational Technology (OT) environment, the consequences […]

NIST SP 800-82 Rev.3 Checklist using CSET Version 12.2.1.0

A. About NIST and CISA The National Institute of Standards and Technology (NIST) and the Cybersecurity and Infrastructure Security Agency (CISA) collaborate to develop cybersecurity standards and guidelines. NIST is […]