Massive Power Outage Affects Spain, Portugal, and France

First seen 2 Dec 2025, 18:33 UTC • Theregister

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ThreatCluster

In late April, a significant power outage impacted Spain, Portugal, and parts of southwestern France, leaving tens of millions without electricity for hours. The outage caused widespread disruptions, including halted trains, cancelled flights, and gridlocked roads due to non-functional traffic lights. Restoration of power took 10 hours, with full services returning after 23 hours.

How this analysis works

Attack Flow

14 entities, 18 inferred relationships (STIX 2.1).

Technique (3)

Ransomware
Privilege Escalation
Lateral Movement

Organization (1)

JSC NEK Ukrenergo

Indicator (1)

langguard.ai

Affected Platform (7)

BeOS
DNP3
GE JungleMUX
Scada
Windows 7
Windows NT4
Windows XP

Tool (2)

CACAO Playbooks
SOARCA

Relationships

Ransomware targets BeOS
Ransomware targets DNP3
Ransomware targets GE JungleMUX
Ransomware targets Scada
Privilege Escalation targets BeOS
Privilege Escalation targets DNP3
Privilege Escalation targets GE JungleMUX
Privilege Escalation targets Scada
Lateral Movement targets BeOS
Lateral Movement targets DNP3
Lateral Movement targets GE JungleMUX
Lateral Movement targets Scada
CACAO Playbooks related to JSC NEK Ukrenergo
CACAO Playbooks related to langguard.ai
CACAO Playbooks related to Windows 7
CACAO Playbooks related to Windows NT4
CACAO Playbooks related to Windows XP
CACAO Playbooks related to SOARCA

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Massive Power Outage Affects Spain, Portugal, and France

Massive Power Outage Affects Spain, Portugal, and France

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