Cisco has proactively shipped modified switches to Ukrenergo, the state-owned electricity grid operator in Ukraine, to bolster its defenses against Russian cyberattacks targeting energy infrastructure.
These attacks have included the use of GPS-jamming tactics, which disrupt the high-voltage energy subsystems crucial for power distribution and damage assessment. The reliance of Ukraine’s substations on GPS for time synchronization, a standard in industrial control systems for its accuracy and affordability, becomes a vulnerability when faced with such jamming.
Read more…Source: IT World Canada
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