Massive Power Outage Affects Spain, Portugal, and France

First seen 4 Nov 2025, 11:10 UTC • Theregister

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In late April, a significant power outage occurred across Spain, Portugal, and parts of southwestern France, impacting tens of millions of residents. The outage resulted in cities losing electricity for hours, halting trains and metro services, canceling flights, and disrupting mobile networks and internet providers. Power was restored after 10 hours, but full service was not resumed for 23 hours.

ThreatCluster AI

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

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