Kyivstar, Ukraine's largest mobile and Internet operator, which was targeted by a massive cyberattack this week, says it has restored Internet connectivity to 93 percent of its home subscribers after ...

Air raid alert systems in some parts of Ukraine, including Kyiv Oblast, Sumy, and Dnipro, face technical issues due to the hack on telecommunications company Kyivstar, regional authorities reported on ...

Millions of Ukrainians continue to reportedly suffer on Wednesday, with widespread internet and communications services outages, rendering some of even the most necessities unavailable, as per an Ars ...

Ukraine on Wednesday entered the second day of limited communications after its largest mobile phone and internet provider was hit by a huge cyberattack, Ukrainian officials and the internet provider ...

Russian hackers got into the system of Kyivstar, a Ukrainian telecommunications operator, at least in May 2023, although the large-scale attack took place on 12 December. Source: Illia Vitiuk, head of ...

Over nearly a decade, the hacker group within Russia's GRU military intelligence agency known as Sandworm has launched some of the most disruptive cyberattacks in history against Ukraine's power grids ...

December's cyberattack on Ukrainian telecommunications operator Kyivstar by Russian-backed threat actors dealt a catastrophic blow to the wealthy, privately-owned company, according to Illia Vitiuk, ...

Ukraine’s security service has attributed the cyber-attack on mobile operator Kyivstar to Russian hacking group Sandworm. Kyivstar is Ukraine’s largest mobile network carrier, the cyber-attack ...

Hackers linked to Ukraine’s main spy agency have breached computer systems at a Moscow-based internet provider in retaliation for a Russian cyber attack against Ukrainian telecom giant Kyivstar, a ...

The Russian hackers behind a December breach of Kyivstar, Ukraine's largest telecommunications service provider, have wiped all systems on the telecom operator's core network. Following the incident, ...

Sources reportedly tipped off Ukraine media to a cyberattack launched this week by the Blackjack cyber group, linked to the Security Service of Ukraine (SBU), that they claim was able to "destroy" the ...

LONDON, Jan 9 (Reuters) - Hackers linked to Ukraine’s main spy agency have breached computer systems at a Moscow-based internet provider in retaliation for a Russian cyber attack against Ukrainian ...