Russia Had Access for Months to Ukraine’s Largest Telecom Operator Before Attacking

Following the December attack on Ukraine's largest telecom operator, Kyivstar, more than 24 million subscribers had their Internet and mobile connections severed. Now, a report from the head of the Security Service of Ukraine reveals that Russia had access to critical infrastructure for months. Until Russia compromised Kyivstar, Ukraine held its own in cyberwarfare. With minor exceptions, the Russians failed to make a dent in critical infrastructure, and they definitely tried. Ukrainian authori