Security Service of Ukraine
The SBU is the Security Service of Ukraine, a special-purpose state body responsible for countering terrorism and other threats to Ukraine’s national security. It reports to the President of Ukraine and conducts operational and investigative activities. The service identifies cyberoperations, including campaigns involving fake nuclear or radiation alerts.
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Emergency-alert apps in Ukraine and Russia targeted by cyberattacks
Emergency-alert applications in Ukraine and Russia were compromised within hours of each other, sending false warnings about radiation, nuclear and chemical threats and street fighting. Ukrainian authorities said there was no radiation emergency, while both countries said their broader warning systems continued operating and the affected mobile services were restored or being restored.