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:
- Los Angeles school district says it was target of ransomware attack
September 6, 2022
The Los Angeles Unified School District, the second-largest collection of public schools in the United States, said it was targeted by a ransomware attack over the Labor Day weekend that caused “significant disruption” but did not lead to cancellation of classes. “Los Angeles Unified detected unusual activity in its Information Technology systems over the weekend, which ...
- Lloyd’s to exclude certain nation-state attacks from cyber insurance policies
August 24, 2022
Lloyd’s of London insurance policies will stop covering losses from certain nation-state cyber attacks and those that happen during wars, beginning in seven months’ time. In a memo sent to the company’s 76-plus insurance syndicates, underwriting director Tony Chaudhry said Lloyd’s remains “strongly supportive” of cyber attack coverage. However, as these threats continue to grow, they ...
- Colorado: Cyber attack hits Fremont County government
August 23, 2022
Fremont County government services are being impacted by a cyber attack that began last week. According to a Facebook post made by Fremont County Emergency Management, county officials became aware of the attack, which was impacting county government systems, on Wednesday, Aug. 17. An incident response team led by Fremont County Emergency Management and the Governor’s Office ...
- Estonia hit by ‘most extensive’ cyberattack since 2007 amid tensions with Russia over Ukraine war
August 17, 2022
Estonia was subject to “the most extensive cyberattack” since 2007, the Baltic state’s government said on Thursday, a day after it started removing Soviet-era war monuments from public areas in the wake of Russia’s February invasion of Ukraine. The Russia-based and pro-Russia hacker group Killnet said on the messaging app Telegram that it was responsible for ...
- 1,900 Signal users exposed: Twilio attacker ‘explicitly’ looked for certain numbers
August 16, 2022
The security breach at Twilio earlier this month affected at least one high-value customer, Signal, and led to the exposure of the phone number and SMS registration codes for 1,900 users of the encrypted messaging service, it confirmed. However, Signal – considered one of the better secured of all the encrypted messaging apps – claims the ...
- Potential hack for some Boeing planes fixed
August 12, 2022
A digital vulnerability in the computer systems used on some Boeing Co aircraft that could have allowed malicious hackers to modify data and cause pilots to make dangerous miscalculations has been fixed, security researchers said on Friday. Older versions of a digital tool used to calculate landing and take-off speeds on some aircraft could be tampered ...