CISA flags data-theft bug in NSA-built OT networking tool

The Cybersecurity and Infrastructure Security Agency (CISA) is warning anyone who uses GrassMarlin, a tool developed by the National Security Agency (NSA), about a new vulnerability that attackers can use to snoop on sensitive information. First reported by Grady DeRosa, Read More …

Adapting Zero Trust Principles to Operational Technology

Zero trust (ZT) offers a modern, adaptive approach to cybersecurity by eliminating implicit trust and continuously validating access based on identity, context, and risk. ZT principles assume a breach has already occurred and are designed to limit threat actor movement Read More …

Bring the Fight to the Edge: Turning Time Into an Advantage in OT Security

Industrial organizations are facing a growing paradox in cybersecurity. While operational technology (OT) environments are increasingly connected, most security strategies still assume threats will only materialize once attackers reach the plant floor. In reality, attacks that disrupt industrial operations rarely Read More …

China remains embedded in US energy networks ‘for the purpose of taking it down’

Three new threat groups began targeting critical infrastructure last year, while a well-known Beijing-backed crew – Volt Typhoon – continued to compromise cellular gateways and routers, and then break into US electric, oil, and gas companies in 2025, according to Read More …

Patch Tuesday – February 2026

Microsoft is publishing 55 vulnerabilities this February 2026 Patch Tuesday. Microsoft is aware of exploitation in the wild for six of today’s vulnerabilities, and notes public disclosure for three of those. Earlier in the month, All three of the publicly Read More …

Threat landscape for industrial automation systems in Q3 2025

In Q3 2025, the percentage of ICS computers on which malicious objects were blocked decreased from the previous quarter by 0.4 pp to 20.1%. This is the lowest level for the observed period. Regionally, the percentage of ICS computers on which Read More …

Principles for the Secure Integration of Artificial Intelligence in Operational Technology

Since the public release of ChatGPT in November 2022, artificial intelligence (AI) has been integrated into many facets of human society. For critical infrastructure owners and operators, AI can potentially be used to increase efficiency and productivity, enhance decision-making, save Read More …

Creating and maintaininga definitive view of your Operational Technology Architecture

OT systems are a prime target due to their criticality and the potential impact if these systems are disrupted. As the number and capability of threat actor targeting OT increases, so too does the need for robust cyber security controls. Read More …

FBI: Russian Government Cyber Actors Targeting Networking Devices, Critical Infrastructure

The Federal Bureau of Investigation (FBI) is warning the public, private sector, and international community of the threat posed to computer networks and critical infrastructure by cyber actors attributed to the Russian Federal Security Service’s (FSB) Center 16. The FBI Read More …

Threat landscape for industrial automation systems in Q1 2025

Relative stability from quarter to quarter. The percentage of ICS computers on which malicious objects were blocked remained unchanged from Q4 2024 at 21.9%. Over the last three quarters, the value has ranged from 22.0% to 21.9%. The quarterly figures Read More …