Iberian blackout – Cyberattack may not be to blame – but the threat to power grids is real. Here’s why
- A widespread blackout across the Iberian Peninsula initially raised fears of a cyberattack on electrical grids.
- Early investigations said a cyberattack was not to blame, but the incident highlighted growing vulnerabilities in energy infrastructure.
- Experts stress the need for robust cybersecurity practices and international cooperation to protect energy systems from evolving threats.
Millions of people across Spain and Portugal experienced a major power outage on Monday, causing significant travel disruptions and bringing much of the economy to a standstill.
The sudden blackout led many private and public sector experts, including top government officials, to question whether the disruption could have been caused by a cyberattack. Spain’s top criminal court, for instance, quickly announced that it was probing the possibility of an “act of cyber sabotage against critical Spanish infrastructure.”
On Tuesday, after power came back online across the Iberian Peninsula, Spain’s electricity grid operator Red Eléctrica said its early investigation showed “no intrusion” into the system. European Council President Antonio Costa also noted on X that so far there were no indications of a cyberattack. Nonetheless, Spanish Prime Minister Pedro Sánchez has stressed that there is “no hypothesis being ruled out” with regards to the cause of the blackouts.
While preliminary findings by energy providers may have excluded a cyberattack, the incident underscores the persistent threat that cyberattacks pose to critical energy infrastructure.
‘Highly attractive targets’
Cybersecurity experts have long warned that electrical grids and critical energy infrastructure systems are vulnerable to cyberattacks and are often targeted by malicious state and non-state actors.
In 2015, for instance, Ukraine suffered widespread blackouts after hackers successfully inflected the computer systems of regional energy companies with malware. The cyberattack, which was attributed to Russia, was “synchronized and coordinated” and likely followed “extensive reconnaissance of the victim networks,” according to US and Ukrainian authorities who investigated the intrusion together.
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Iberian blackout – Cyberattack may not be to blame – but the threat to power grids is real. Here’s why, source
