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Critical Infrastructure

Critical Infrastructure
CISA’s CI Fortify Initiative Signals a New Operational Reality for Critical Infrastructure All BlogsCritical InfrastructureGovernment CybersecurityZero Trust
May 14, 2026

CISA’s CI Fortify Initiative Signals a New Operational Reality for Critical Infrastructure

Cybersecurity Strategy Now Requires Both Prevention and Operational Resilience CISA’s new CI Fortify initiative reflects an important and overdue shift in how the industry approaches cybersecurity for critical infrastructure. For…
Roman Arutyunov
Why OT Regulations Demand Segmentation
Why OT Regulations Demand Segmentation—and Why Zero Trust Is the Best Way to Achieve It All BlogsCritical InfrastructureCyber-Physical Systems ProtectionIdentity-Based SecurityIndustrial CybersecurityProducts and FeaturesZero Trust
April 22, 2026

Why OT Regulations Demand Segmentation—and Why Zero Trust Is the Best Way to Achieve It

Operational technology (OT) environments are under increasing regulatory pressure. Requirements across energy, manufacturing, transportation, and other critical infrastructure sectors consistently point to one core expectation: networks must be segmented to…
Roman Arutyunov
Segmentation vs. Firewalls in OT
OT Segmentation vs Firewalls: Why Zero Trust Is More Effective All BlogsCritical InfrastructureCyber-Physical Systems ProtectionIdentity-Based SecurityIndustrial CybersecurityProducts and FeaturesZero Trust
April 16, 2026

OT Segmentation vs Firewalls: Why Zero Trust Is More Effective

Most industrial environments are still relatively flat, but should be designed around a zoned architecture. Frameworks like the Purdue Model and standards such as IEC 62443 define how this segmentation…
Roman Arutyunov
Nuclear for AI
Part Two: NEI 08-09 and RG 5.71 in the “Nuclear for AI” Era: How to Implement the Baseline Without Losing the Schedule AI SecurityAll BlogsCritical InfrastructureZero Trust
March 10, 2026

Part Two: NEI 08-09 and RG 5.71 in the “Nuclear for AI” Era: How to Implement the Baseline Without Losing the Schedule

Authors: Amit Pawar (Xage Security), Bill Lawrence (ITEGRITI), Michael Sanchez (ITEGRITI), Tushar Trivedi (LTIMindtree) In part one of this series, we provided an overview of the U.S. nuclear cybersecurity baseline,…
Amit Pawar