Pro-Ukraine hackers breach Russian ISP in revenge for KyivStar attack

January 10, 2024 at 02:49PM The pro-Ukraine hacktivist group ‘Blackjack’ claimed a cyberattack on Russian ISP M9com in retaliation for an attack on Ukraine’s Kyivstar mobile operator. The attack disrupted M9com’s services and exposed confidential data. Blackjack promised more attacks as retaliation for the Kyivstar hack. The group is reportedly linked to the Security Service … Read more

Kyivstar Mobile Attack Plunges Millions in Ukraine Into Comms Blackout

December 12, 2023 at 04:39PM Ukraine’s largest mobile telecom operator, Kyivstar, suffered a cyberattack, causing cell service and internet outages for millions. CEO Oleksandr Komarov confirmed the attack, indicating significant damage to the telco’s IT infrastructure. The attack is suspected to be part of Russia’s broader kinetic strikes in the ongoing war, with potential involvement … Read more

Ukrainian military says it hacked Russia’s federal tax agency

December 12, 2023 at 03:42PM Ukrainian military intelligence hacked the Russian Federal Taxation Service, leading to the deletion of the agency’s main database and backup copies. This resulted in severe disruptions to communication and a collapse of Russia’s tax system. The attack is part of Ukraine’s increased cyber warfare efforts against Russia, including a previous … Read more