Authorities in Ukraine and Russia say their emergency alert mobile apps were targeted by cyberattacks late Sunday, with users in Ukraine receiving false warnings of dangerously high radiation levels in the capital, Kyiv.
In a Telegram post late Sunday, Ukraine’s air raid alert channel said “unauthorized parties” had interfered with the app’s operation and that the service had been temporarily suspended. It warned users not to click on links in “suspicious notifications.”
Authorities in Ukraine said the app, which Ukrainians rely on to seek safety amid daily Russian missile and drone strikes, was restored overnight. The alerts — making false claims of high radiation levels, a chemical threat and public disturbances in Kyiv — were written in English with spelling and grammatical errors as well as in a mix of Russian and Ukrainian.
Read more…
Source: AP News
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Japanese internet giant GMO tells customers to shut down and disconnect PCs from the internet following data breach and ransomware threat
October 28, 2026
GMO warned customers to back up data, disconnect devices, and shut down systems after a cyberattack. Attackers allegedly stole customer data, leaked information, and threatened ransomware deployment. Compromised trading-platform credentials and reports of unauthorized transactions raised concerns for affected users. Read more… Source: TechRadar News Sign up for the Cyber Security Review Newsletter The latest cyber security news and insights delivered ...
- Hacker stole personnel data about thousands of Homeland Security employees, including CBP and ICE agents
October 28, 2026
Personally identifiable information belonging to thousands of U.S. Department of Homeland Security employees has been published online after a hacker stole reams of data in a previously undisclosed breach at the government department earlier this year. The breach includes names, job titles, and work contact information, such as email addresses, cell phone numbers, and office locations, ...
- Data breach at Sony ISP subsidiary exposes 2.5 million customer records as Japan hit with another major cyberattack
October 28, 2026
A subsidiary of Sony Network Communications, the Japanese tech giant’s Internet Service Provider (ISP) arm, has confirmed suffering a data breach which saw it lose sensitive data on roughly 2.5 million people. Among the stolen files were people’s phone numbers, email addresses, and in some cases – email passwords. The company confirmed the news in an apology ...
- Rogue AI agent engages ‘Skynet mode’ to search the internet for exposed LLMs to hijack and run malware attacks
October 26, 2026
Researchers uncovered an autonomous AI attack campaign that hijacks exposed AI agents and infrastructure. The malicious “Skynet” agent deployed cryptominers, stole credentials, and recruited new AI systems autonomously. Security teams are urged to secure AI endpoints, restrict permissions, and protect high-value API keys. Read more… Source: TechRadar News Sign up for the Cyber Security Review Newsletter The latest cyber security news ...
- Patient records exposed in Quest breach
October 26, 2026
Quest Diagnostics has confirmed that an unauthorized party accessed a system healthcare providers use to order laboratory tests and view results, affecting personal information and patient records. Quest is a major US laboratory testing company whose services help healthcare professionals diagnose and monitor medical conditions. Those services range from routine laboratory testing to specialized testing in ...
- Chinese hackers spied on thousands of companies after breaching IT giant ConnectWise
October 22, 2026
The bad week for cybersecurity just got worse for thousands more companies, who were spied on by Chinese hackers following the breach of IT management and remote access giant ConnectWise. Security researchers at Microsoft say the China state-aligned hackers broke into ConnectWise’s cloud backup service and stole application credentials that are used to establish data links ...