A malicious software command that crippled tens of thousands of modems across Europe anchored the cyberattack on a satellite network used by Ukraine’s government and military just as Russia invaded
A malicious software command that immediately crippled tens of thousands of modems across Europe anchored the cyberattack on a satellite network used by Ukraine’s government and military just as Russia invaded, the satellite owner disclosed Wednesday.of how the most serious known cyberattack of the Russia-Ukraine war unfolded. The wide-ranging attack affected users from Poland to France, getting quick notice by knocking off remote access to thousands of wind turbines in central Europe.
that could extend beyond Ukraine. Such attacks haven't yet materialized, though security researchers say the most impactful war-related cyber operations are likely occurring in the shadows, focused on intelligence-gathering.many apparently carried out by volunteers, have been launched against both Russia and Ukraine.
It began in the early hours of Feb. 24 with a distributed denial-of-service onslaught that knocked a large number of modems offline. A destructive attack followed in which a malicious software command sent across the network rendered tens of thousands of modems across Europe inoperable by overwriting key data in their internal memory, Viasat said. “We believe the purpose of the attack was to interrupt service,” it said.
He said he did not have information on whether the service had been restored and could not say which Ukrainian agencies beyond the military were affected. Contracts show, however, that Zhora’s own agency, the State Service for Special Communications, is among customers that also include police agencies and municipalities. Viasat said “several thousand customers" located in Ukraine were impacted.
said it was important to know whether they had obtained credentials or exploited a known vulnerability. Viasat declined to provide specifics Wednesday, citing an ongoing investigation.
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