Reuters reports:
Ukraine’s biggest mobile network operator, Kyivstar, was hit on Tuesday by what appeared to be the biggest cyber attack of the war with Russia so far, knocking out mobile and internet services for millions.
Kyivstar has 24.3 million mobile subscribers – more than half of Ukraine’s population – as well as over 1.1 million home internet subscribers.
[…]
Komarov said it was unclear when Kyivstar would be able to restore connection.
“(The attack) significantly damaged (our) infrastructure, limited access, we could not counter it at the virtual level, so we shut down Kyivstar physically to limit the enemy’s access,” Komarov said.
Read more at Reuters.
See also Cyberattack on Kyivstar: Security Service opens case, Russian involvement isn’t ruled out
