Iberian blackout: Cyberattack may not be to blame – but the threat to power grids is real. Here's why
The major blackout across the Iberian Peninsula may not have been caused by a cyberattack. But the incident highlighted growing vulnerabilities in energy infrastructure.
The major blackout across the Iberian Peninsula may not have been caused by a cyberattack. But the incident highlighted growing vulnerabilities in energy infrastructure. 
