AnalysisPublished 17 Feb 2026

3 Threat Groups Started Targeting ICS/OT in 2025: Dragos

Source SecurityWeek

Description

Industrial cybersecurity firm Dragos has published its 9th Year in Review OT/ICS Cybersecurity Report. The post 3 Threat Groups Started Targeting ICS/OT in 2025: Dragos appeared first on SecurityWeek .

Impact

The targeting of ICS/OT by threat groups poses substantial risks to European organizations that operate critical infrastructure and industrial processes. Potential impacts include disruption of essential services such as electricity, water, and manufacturing, which can have cascading effects on public safety, economic stability, and national security. Compromise of ICS/OT systems can lead to operational downtime, physical damage to equipment, and safety incidents affecting workers and the public. For European organizations, this threat is particularly concerning given the continent's reliance on interconnected industrial systems and the strategic importance of sectors like energy and manufacturing. Additionally, regulatory frameworks such as NIS2 and GDPR increase the consequences of security incidents through compliance and reporting requirements. The medium severity rating suggests that while the threat is serious, the current lack of known exploits and the inherent complexity of ICS/OT environments somewhat limit immediate widespread impact. However, the evolving nature of these threats demands vigilance and preparedness to prevent escalation.

Defensive guidance

European organizations should implement a multi-layered defense strategy tailored to ICS/OT environments. Key measures include: 1) Network segmentation to isolate ICS/OT systems from corporate IT networks and external internet access, reducing attack surface and lateral movement opportunities. 2) Deployment of specialized monitoring tools capable of detecting anomalous behavior and known threat indicators within ICS/OT protocols and devices. 3) Regular threat intelligence sharing with industry peers and national cybersecurity centers to stay informed about emerging tactics and threat actor activity. 4) Conducting thorough risk assessments and penetration testing focused on ICS/OT to identify and remediate vulnerabilities proactively. 5) Enhancing incident response plans to include ICS/OT scenarios, ensuring rapid containment and recovery. 6) Training personnel on ICS/OT cybersecurity best practices and awareness of social engineering tactics that could facilitate initial access. 7) Applying strict access controls and multi-factor authentication for all ICS/OT system interfaces. 8) Ensuring timely patching and firmware updates where feasible, balancing operational continuity with security needs. These steps go beyond generic advice by focusing on the unique challenges and operational constraints of ICS/OT environments.

References

securityweek.com/3-threat-groups-started-targeting-ics-ot-in-2025-dragos/ (opens in a new tab)

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AI analysisMachine-generated, updated 17 Feb 2026, 11:14 UTC

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