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Cyber-attack sends false nuclear and chemical alerts to Ukrainians
A cyber-attack compromised a Ukrainian emergency alert app on Sunday night, sending false warnings of nuclear strikes, chemical attacks and street fighting. The incident caused unease but many people doubted the messages, and Ukraine’s Air Force said within 15 minutes that there was no radiation threat.
The alerts included Russian-language messages and a link to a Telegram channel apparently run by hackers; an expert warned that clicking it could expose people to disinformation, phishing or data breaches. It took more than an hour for all-clear messages to arrive. The incident’s impact was limited, but it highlighted security weaknesses in systems used by millions amid years of frequent air-raid warnings.
In short
- A hacked alert app sent false nuclear and chemical threat warnings.
- Ukraine’s Air Force said there was no radiation threat.
- The incident raised concerns about alert-system security and public trust.
Explained simply
Ukraine has relied on mobile phone alerts to warn people about dangers during Russia’s full-scale invasion, including frequent air raids. Emergency alert apps can send warnings quickly to large numbers of people, but they also depend on secure systems and accurate information.
Ukraine’s emergency services and Air Force help provide public safety information, while people may also receive messages through social media and messaging channels. False warnings can cause fear and make it harder to know which alerts to trust.
The incident matters because emergency alerts are used by millions during a war, when timely information can affect people’s safety. A compromised system can also be used to spread misleading messages or direct people to unsafe links.
Cybersecurity Europe Software Technology World
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Originally published by BBC World as “Fake nuclear warning from hacked app sparks unease but not panic in Ukraine”.