Emergency alert applications used to warn civilians in Ukraine and Russia of incoming military attacks were compromised in separate cyberattacks late Sunday night. The breaches resulted in the dissemination of false messages regarding radiation, chemical hazards, and nuclear strikes.
In Ukraine, the Air Alert app, which is developed by Ajax Systems and Stfalcon with support from the Ministry of Digital Transformation, began sending erroneous notifications at 10:47 p.m. local time. These alerts falsely warned of radiation threats, chemical attacks, nuclear strikes, and even street fighting in Kyiv. The Ukrainian Air Force confirmed the notifications were false at 11:02 p.m. on Telegram, stating that the app had been subjected to hostile interference and that there was no radiation threat. Yurii Ihnat, a spokesman for the Ukrainian Air Force, clarified that the hack had no impact on the country's security operations, noting that the app is not affiliated with military command systems. Developers of the Air Alert app subsequently disabled push notifications and the application itself to address the unauthorized interference. Some residents in Kyiv reported they immediately identified the alerts as fake by checking official Telegram channels.
A few hours later, at 2:45 a.m. Moscow time, Russia's Emergencies Ministry app was also compromised. According to Russian state-controlled media, false alerts were transmitted to users in 33 regions, warning of incoming nuclear warheads and instructing residents to stock up on food for three weeks and seek shelter in basements. The Russian ministry stated that attackers exploited a vulnerability in the app's administrative panel, which prompted officials to disconnect and isolate the affected services.
These cyber incidents occurred as a temporary ceasefire in the southern Ukrainian city of Oleshky expired at 10:59 p.m. Ukraine time on Sunday. The truce, which began on October 27, was credited to the efforts of U.S. first lady Melania Trump and Pope Leo. The agreement allowed for humanitarian aid to enter the city and facilitated the evacuation of some civilians. Ukraine's human rights commissioner, Dmytro Lubinets, noted that both sides had observed the agreement and were discussing further humanitarian measures.
At 10:47 p.m. local time (3 p.m. Eastern), Air Alert, a Ukrainian app developed by Ajax Systems and Stfalcon with support from Ukraine's Ministry of Digital Transformation, started sending out false warnings of radiation, chemical threats, a nuclear attack and even street fighting in Kyiv.
The Ukrainian Air Force confirmed just 10 minutes later, at 11:02 p.m. local time, on multiple platforms, that the notifications were false. "The Air Alert app appears to have been subjected to hostile interference. There is no radiation threat!" the Air Force said in a message shared on Telegram, urging Ukrainians to
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