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:
- Another massive DDoS attack that reached 1.5 Bpps has been thwarted
September 13, 2025
A distributed denial-of-service attack targeting a DDoS mitigation vendor somewhere in Western Europe has been spotted and mitigated by FastNetMon. The firm says the attack peaked at a massive 1.5 billion packets per second, making it one of the largest packet-rate floods confirmed to date. FastNetMon says that the traffic was mainly a UDP flood sourced ...
- FBI: Cyber Criminal Groups UNC6040 and UNC6395 Compromising Salesforce Instances for Data Theft and Extortion
September 12, 2025
The Federal Bureau of Investigation (FBI) is releasing this FLASH to disseminate Indicators of Compromise (IOCs) associated with recent malicious cyber activities by cyber criminal groups UNC6040 and UNC6395, responsible for a rising number of data theft and extortion intrusions. Both groups have recently been observed targeting organizations’ Salesforce platforms via different initial access mechanisms. The ...
- Vietnam Investigates Hackers Targeting National Credit Database Exposing Sensitive Financial Data
September 12, 2025
Vietnam is investigating a serious cyberattack on a large database that contains information about creditors across the country. The database belongs to the National Credit Information Center, also known as CIC. This center is managed by the State Bank of Vietnam and is responsible for storing highly sensitive financial data. The information inside the database includes ...
- South Korea’s KT admits data breach
September 11, 2025
KT Corp has become the second South Korean mobile operator this year to report a cybersecurity breach to the country’s data protection authorities, with the operator confirming on Thursday that 5,561 customers may have had their subscriber data stolen by hackers. While the reported breach is nowhere near the magnitude of SK Telecom’s disastrous data breach, ...
- Attacker steals customer data from UK rail operator LNER during break-in at supplier
September 11, 2025
One of the UK’s largest rail operators, LNER, is the latest organization to spill user data via a third-party data breach.… It confirmed the incident on Wednesday, saying customer contact details and “some information about previous journeys” was accessed at a third-party supplier. London North Eastern Railway (LNER) did not name the third party responsible for ...
- France: Three Regional Healthcare Agencies Targeted by Cyber-Attacks
September 11, 2025
French regional healthcare agencies have been targeted by cyber-attacks compromising the personal data of patients across the country. On September 8, the regional healthcare agencies (ARS) for three regions, Hauts-de-France (Upper France), Normandy and Pays de la Loire (Lower Loire), issued security alerts warning about recent cyber-attacks carried out against the servers hosting the identity ...