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Fake nuclear warnings in Ukraine as Moscow, Kyiv report separate cyberattacks on emergency apps

By · Published by Everything Blog

In short

Unidentified actors compromised emergency applications in both Ukraine and Russia on Sunday, distributing fabricated messages regarding severe hazards such as radiation leaks and street warfare. The digital sabotage unfolded as the war's longest local ceasefire expired in occupied Oleshky, immediately followed by allegations of renewed Russian shelling against a civilian medical facility. Ukrainian leadership also highlighted substantial battlefield shifts, reporting that Russian personnel losses hit unprecedented levels throughout October while defense forces reclaimed key territory.

Key points

  • Officials in Ukraine temporarily shut off emergency push notifications to counteract publ…: Officials in Ukraine temporarily shut off emergency push notifications to counteract public panic caused by false radiation alerts.
  • Ukrainian authorities accused Russian forces of exploiting the temporary humanitarian tru…: Ukrainian authorities accused Russian forces of exploiting the temporary humanitarian truce to rotate frontline combat units and deliver fresh ammunition.
  • President Volodymyr Zelenskyy reported that Ukrainian troops liberated 96.2 square kilome…: President Volodymyr Zelenskyy reported that Ukrainian troops liberated 96.2 square kilometers of territory during October while inflicting 54,400 casualties on Russian forces.

Sources checked by our analysis pipeline: 1

Ukraine's Air Force said Sunday its Air Alert app had been compromised after it reportedly sent false warnings of nuclear and chemical threats in Kyiv and other areas.

The app briefly displayed alerts for nuclear and chemical incidents, as well as warnings of street fighting, according to Reuters. The Air Force said unauthorized persons had interfered with the app's operation and that it had temporarily disabled push notifications.

"There is no radiation threat! Stay calm, follow our messages on our channel," the Air Force said on Telegram, according to a translation.

Two hours later, Russia's Ministry for Emergency Situations said its mobile app had been subject to "a massive cyberattack, allowing attackers to send fake information to the public."

It was not immediately clear if the incidents were linked. CNBC has reached out to Russian and Ukrainian authorities for comment.

Local ceasefire expires in Oleshky, Kherson

The alleged cyberattacks come as Russia and Ukraine continue to trade strikes on each other's territories and infrastructure.

Overnight, a local ceasefire in the devastated Russian-occupied city of Oleshky and surrounding areas in the…

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