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 […]

ICS OT Cyber Security Training – Building the Knowledge from the Beginning

Developing the full potential ICS OT cyber security professional is a long journey to be passed through, because an ideal practitioner in this segment should have sounding knowledge (theoretical and […]

Risk Assessment – IEC 62443-3-2

The IEC 62443 series is one of the standards that is globally used as Industrial Control System (ICS) cyber security assurance guidelines. It comprises over 14 standards from part 1 to part 4. Part 3-2, […]

ICS OT Security Controls

💡 Selecting, implementing, assessing and monitoring the ICS OT Security Controls require preliminary activities to be executed as part of the whole ICS OT Cyber Security Assurance life cycle. 🟡 […]

ICS OT Cyber Security Assurance Milestones

▶ Securing the Industrial Control System is an important aspect of protecting critical infrastructure. Ensuring business continuity and safety operations are the key objectives of cyber security assurance in an […]