#APTActor

Russian Hackers Had Covert Access to Ukraine’s Telecom Giant for Months

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January 5, 2024 at 03:27AM Ukrainian authorities reported a cyber attack by the Russian state-sponsored group Sandworm, which breached telecom operator Kyivstar’s systems, leading to service disruption for millions. A Russia-linked hacking group, Solntsepyok, claimed responsibility. The attack wiped out data from thousands of servers, and the Security Service of Ukraine suspects the attackers had … Read more

Russia’s ‘Star Blizzard’ APT Upgrades its Stealth, Only to Be Unmasked Again

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December 7, 2023 at 05:18PM A Kremlin-linked APT group, “Star Blizzard,” known for cyberespionage and targeting NATO-associated entities since 2017, recently updated its evasion tactics. Microsoft exposed these new techniques, which include the use of password-protected PDFs, cloud file-sharing, advanced domain creation, and exploitation of email marketing platforms for phishing. Despite operations against UK officials, … Read more