Fake Nuclear Alerts After Russia and Ukraine Apps Are Hacked

Emergency warning applications in Russia and Ukraine were hacked overnight from Sunday into Monday, triggering the circulation of fake alerts about nuclear attacks, chemical threats and missile launches. Authorities in both countries confirmed the cyberattacks, although it remains unclear whether the incidents were connected.

The applications are designed to warn the public about incoming missiles, drone attacks and other emergencies. However, the fabricated messages appeared to cause limited public panic, with many users questioning their authenticity and sharing jokes and memes about the incident.

The cyberattacks come as Russia and Ukraine continue to exchange military strikes, making reliable emergency warning systems particularly important for civilians in both countries.

Fake Nuclear and Chemical Alerts Appear on Ukraine’s Air Raid App

Ukraine’s public air raid alert application displayed a series of false warnings late on Sunday. The messages claimed that Kyiv and other areas were facing nuclear and chemical threats, as well as possible street fighting.

Another fabricated alert claimed that Russia had deployed its hypersonic Oreshnik missile, adding to the confusion among users.

The Ukrainian Air Force confirmed that the application had been affected by what it described as enemy interference. It urged residents not to believe the false radiation warning and to follow official updates.

“The air alert app appears to have been subjected to enemy influence. There is no radiation threat! Stay calm and follow our updates on our channel!” the Ukrainian Air Force said on Telegram.

The incident affected an application that had recently been updated to display the movement of drones in real time, allowing users to receive more detailed information about potential aerial threats.

Ukraine Begins Restoring Hacked Emergency Alert Application

Stepan Tanasiychuk, who leads Ukraine’s Air Raid Alert project, said on Monday that the application was gradually being restored. New yellow and red alert levels had become available on its map as the recovery process continued.

Tanasiychuk said the team was introducing additional security measures to prevent similar incidents and acknowledged the inconvenience caused by the fake warnings.

“The team is taking additional measures to secure the app in order to prevent similar situations in the future. We realise how much unnecessary worry and inconvenience this has caused,” Tanasiychuk said on Instagram.

Russia’s Emergencies Ministry App Sends Fake Nuclear War Warning

In a separate incident, Russia’s Emergencies Ministry mobile application, known as Emercom, suffered what the ministry described as a massive cyberattack early Monday.

State news agency TASS reported that the attack resulted in false information being distributed to the public. According to the ministry, a fabricated warning was sent to 33 Russian regions.

The message falsely claimed that nuclear warheads had been launched across Russia and included an expletive-filled warning.

Russia’s Emergencies Ministry later said the application was operational and that its full functionality would be restored by the end of the day. It also said specialists had examined the incident and identified the vulnerability exploited by the attacker.

“The app is currently operational, and its full functionality will be restored by the end of the day. EMERCOM specialists have analyzed the incident and identified the vulnerability exploited by the attacker,” the ministry said.

The ministry played down the potential impact of the attack, explaining that emergency warnings are also distributed through regional and municipal systems. These include sirens, loudspeakers, SMS messages and media broadcasts.

Kremlin Warns of Growing Cyberattack Threat

Kremlin spokesman Dmitry Peskov acknowledged the broader Cybersecurity threat facing Russian government systems. He said electronic resources belonging to government agencies remained under constant threat of cyberattacks.

“All electronic resources belonging to our government agencies are under constant threat of cyberattacks,” Peskov said on Monday.

He also pointed to the growing risks associated with technological development, including artificial intelligence.

“As technologies, including AI, continue to evolve, the threat of cyberattacks is growing,” he added.

Authorities in Russia and Ukraine have not established whether the attacks on their respective emergency applications were coordinated or carried out by the same individuals or group.

Fake Alerts Trigger Memes and Anger Among Users

Despite the alarming nature of the messages, relatively few people appeared to believe the fabricated warnings. Instead, users in both countries responded with jokes, memes and criticism of the security of official emergency applications.

Some Russian users said the incident had weakened their confidence in government warning systems. One user said they had deleted the Emercom application and would not install it again, questioning how such an important service could remain vulnerable to hacking.

Other users criticised the wording of the fake nuclear warning, saying it was so unrealistic that they could not believe it had come from an official source.

One social media user joked that the warning had been reserved for a select group of people, while another commented that the message had not reached them because they were apparently not important enough to be targeted.

In Kyiv, one resident responded to the fake warning about possible street fighting with a reference to the city’s mayor, writing: “Good thing our mayor is a boxer.”

Although the reactions were often humorous, the incident raised serious questions about the reliability and security of digital emergency communication systems during wartime.

Cyberattacks Come Amid Deadly Russian Strikes in Ukraine

The hacking incidents occurred as Russia and Ukraine continued to exchange attacks, reinforcing the importance of accurate early warning systems for civilians.

Ukrainian authorities said on Monday that at least 24 people had been killed in a Russian aerial bomb attack on a village in the southeastern Zaporizhzhia region. President Volodymyr Zelensky said the attack targeted a school being used for humanitarian purposes.

Dozens of people remained missing as of Monday evening local time, according to the information provided by Ukrainian authorities.

Zelensky called for an international response to the attack, urging the world to take strong action.

“There must be a response to this – a response from the world. A strong and tough response,” Zelensky wrote on X.

Why Reliable Emergency Warning Apps Matter During Wartime

Emergency alert applications play an important role in informing civilians about incoming missiles, drones and other threats. In countries facing regular military attacks, delays or false information can create confusion and undermine public confidence in official warnings.

The hacking incidents in Russia and Ukraine demonstrate how cyberattacks can target civilian information systems without directly damaging physical infrastructure. Even when fabricated messages fail to trigger widespread panic, they can weaken trust in the systems people depend on during emergencies.

Both countries have confirmed that their applications were compromised, but the connection between the attacks remains unclear. The incidents have also highlighted the need for stronger cybersecurity protections and dependable alternative channels for distributing emergency information.