Cyberattacks Disrupt Emergency Alerts in Ukraine and Russia: What You Need to Know

Recent cyberattacks have compromised emergency alert systems in both Ukraine and Russia, leading to false notifications about nuclear radiation threats. Ukrainian authorities reported that their alert app was temporarily suspended due to unauthorized interference, while Russian officials confirmed similar breaches. The situation has raised concerns about misinformation and public safety, prompting officials to advise citizens to rely on verified channels for emergency information. As investigations continue, the identity of the attackers remains unclear, with claims of responsibility attributed to the hacking group Hitcore. Stay informed about the latest developments in this ongoing cyber threat.

By Narendra Chaudhary Nov 2, 2026, 15:49 IST

Cyberattacks Target Emergency Alert Systems

Kyiv: Both Ukrainian and Russian officials reported that their emergency alert mobile applications were compromised by cyberattacks late Sunday. Residents in Ukraine received alarming notifications about a supposed high risk of nuclear radiation in Kyiv.

In a Telegram update late Sunday, Ukraine's air raid alert channel indicated that "unauthorized parties" had disrupted the app's functionality, leading to its temporary suspension. Users were cautioned against clicking on links from "suspicious notifications."

Ukrainian authorities confirmed that the app, crucial for citizens seeking safety from ongoing Russian missile and drone attacks, was restored overnight. The false alerts, which claimed elevated radiation levels, chemical threats, and public unrest in Kyiv, were riddled with spelling and grammatical errors and were presented in a mix of English, Russian, and Ukrainian.

One of the misleading messages referenced the hacking group Hitcore. A Russian Telegram channel, linked to security services, claimed to have communicated with Hitcore representatives, who allegedly took responsibility for the cyberattack, although this assertion remains unverified.

Ukraine's state-run Center for Countering Disinformation acknowledged the breach and advised users to keep an eye on emergency social media channels and rely on physical alerts while the situation was being resolved.

On the Russian side, officials reported that hackers had sent out false emergency alerts after breaching the mobile app of Russia's Emergency Ministry. The ministry did not disclose the identity of the attackers but assured the public that the overall alert system was functioning properly, with the mobile app serving as an additional resource alongside SMS alerts, media broadcasts, and municipal sirens.