Ukraine telecom cyberattack one of ‘highest-impact’ hacks of the war

The hack of Ukraine’s largest telecommunications operator, Kyivstar, was “one of the highest-impact disruptive cyberattacks on Ukrainian networks” since Russia invaded the country last year, British defense intelligence said. The attack, which began on December 12, left Kyivstar subscribers without mobile signal and internet for two days. The company provides services to more than half

attack briefs british cyberattack cyberattacks december defense hack hacks impact intelligence internet kyivstar mobile nation state networks russia signal subscribers telecom telecommunications the company ukraine ukrainian war