Ukraine alert app sends false radiation and chemical warnings in suspected hack
A Ukrainian emergency alert app has sent false warnings about radiation and street fighting in Kyiv and other areas in a suspected hack. Ukraine’s air force said there was no radiation threat and asked residents to remain calm.
The false alerts appeared Sunday on the Air Raid Alert app. Users in Kyiv, Ukraine’s capital, received warnings about radiation and street fighting, with similar alerts appearing elsewhere in the country.
The app displayed warnings for a nuclear hazard, a chemical hazard and street fighting in Kharkiv, Ukraine’s second-largest city. Alerts about street fighting and artillery fire also appeared for Zaporizhzhia in southeastern Ukraine.
Ukraine’s air force said the app had likely been subjected to “enemy influence” and directed users to follow updates on its official channel.
“There is no radiation threat! Remain calm,” the air force said.
There were also reports that the false alerts triggered sirens, although it was not immediately clear how widely those activations occurred.
The Air Raid Alert app was developed by Ajax Systems and Stfalcon with support from Ukraine’s Ministry of Digital Transformation.
Ukrainians rely on emergency alerts to seek shelter during Russian missile and drone attacks, which have become a regular feature of life since Russia launched its full-scale invasion in February 2022.
A Ukrainian app for emergency alerts appears to have been hacked.
Fake warnings for radiation and street battles have been sent to Kyiv and other areas.
“There is no radiation threat. Please remain calm,” Ukraine’s air force says. https://t.co/JYjut3q3Ni
— BNO News Live (@BNODesk) November 1, 2026
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Ella Rae Greene, Editor In Chief
