The XONA Blog

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Protecting Your OT Network: The Power of Protocol Isolation

The demand for technology that can support secure user access, both remote and onsite, has expanded beyond IT environments to include the operational technology (OT) and industrial control systems...

ICS/OT Security Practitioners Agree. Your Technology Matters.

ICS/OT Practitioners Share Their Unique Requirements & Concerns SANS released its annual ‘State of ICS/OT Cybersecurity’ report in October 2022. It reflects survey results from 332 ICS/OT...

OT:ICEFALL: Addressing Operational Technology Equipment Flaws with Zero-Trust Controls

A new report on Operational Technology (OT) equipment flaws from automated cybersecurity software company Forescout outlines the alarming state of OT security. The report titled OT:ICEFALL was...

“Pipedream” Malware Targets ICS: What Critical Infrastructure Owners Need to Know

Troubling new malware designed to facilitate attacks on a wide array of critical infrastructure – from oil refineries and power plants, to water utilities and factories – is raising concerns for...

Understanding ISA/IEC 62443 Standards for Industrial Networks, OT, and Critical Systems

There are many significant technology-enabled changes taking place in industrial environments today. Smart factories and Industry 4.0. The Industrial Internet of Things (IIoT). The convergence of...

US Officials Warn – Heightened Risk of Ransomware Attacks on Municipal Utilities

U.S. Critical Infrastructure must guard against malicious ransomware attacks by implementing standards-based encryption and multi-factor authentication at all access points to OT assets  U.S....