Ukraine's Air Force said its nationwide air-raid alert app sent false warnings of nuclear and chemical threats around Kyiv after it was apparently hacked, with Ukraine blaming Russia and Russia's Emergencies Ministry later reporting a "massive cyberattack" on its own app. Al Jazeera
Al JazeeraUkraine blames Russia after air alert app sends out false warningsRussian Emergencies Ministry also says its mobile app suffered a 'massive cyberattack', leading to 'false information'.
When warning apps are themselves a target, what should governments do to keep people's trust in official alerts?
