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Ukraine war

Russia and Ukraine each report cyberattack on alert systems

Both countries say emergency alerting systems were targeted, while strikes continue across the two countries, according to CNBC

1 min read
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100/100 Well backed by other sources

An independent AI check searched the web for this story's main claims. The newsroom cannot change this score.

  • Confirmed elsewhere 2 of 2
  • Not found either way 0 of 2
  • Disputed elsewhere 0 of 2

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Russia and Ukraine each report cyberattack on alert systems

Russia and Ukraine have each reported a cyberattack on their emergency alerting systems, CNBC reported on Nov. 2, as strikes continued across both countries.

The reports describe two separate incidents, one reported by Moscow and one by Kyiv. The headline on the CNBC report refers to fake nuclear warnings in Ukraine tied to the attacks on emergency apps.

Alerting systems warn civilians of air raids and other threats, so interference with them carries direct consequences for people relying on the notices during ongoing strikes.

The CNBC summary does not give details on who is blamed for either attack, how many users received false messages, or how long the systems were affected. Neither government's statement is available in the material reviewed, and it is not known whether the two incidents are linked.

Further official accounts from Russian and Ukrainian authorities are expected to clarify what was targeted and how the systems were restored.

How this story was checked

2 of 2 main claims confirmed by other sources. An editor checked the story and approved it before it was published.

Independent web check · Trust score 100/100

An AI check searched the web for each main claim. The score comes only from what it found, so the newsroom cannot change it. How the score works

  1. Confirmed Russia and Ukraine have each reported a cyberattack on their emergency alerting systems, CNBC reported on Nov. 2. CNBC's article says Ukraine's air force reported its alert app was compromised. It says Russia's Ministry for Emergency Situations then reported a massive cyberattack on its mobile app. The two reports were separate. Fake nuclear warnings in Ukraine as Moscow, Kyiv report separate cyberattacks on emergency apps
  2. Confirmed The headline on the CNBC report refers to fake nuclear warnings in Ukraine tied to the attacks on emergency apps. The CNBC headline reads "Fake nuclear warnings in Ukraine as Moscow, Kyiv report separate cyberattacks on emergency apps". The article says the Ukrainian app briefly showed false nuclear and chemical alerts. Fake nuclear warnings in Ukraine as Moscow, Kyiv report separate cyberattacks on emergency apps

Our newsroom's record

An editor checked 7 claims in this story against 1 source before it was published.

Claims checked: 7. Sources used: 1. 3 matched to a source we list. 4 without a second source of our own (the web check above may still have found one).

Sources the newsroom lists

  1. Fake nuclear warnings in Ukraine as Moscow, Kyiv report separate cyberattacks on emergency apps (News report or publication)

Independent web check on Nov 2, 2026. Checked by our verification desk on Nov 2, 2026. An editor approved the story before it was published. Our standards

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