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A failure in the network of Ukraine’s largest telecoms operator Kyivstar, which occurred on Tuesday morning, was caused by a hacker attack, but subscriber data was not compromised, the company involved law enforcement agencies and special government services in eliminating Read More …
The US-led West supervises Ukraine’s so-called IT army that may be responsible for cybercrime, Russia’s representative Irina Tyazhlova said on Monday. Addressing a meeting of the UN Open-ended Working Group (OEWG) on security of and in the use of information Read More …
Microsoft Threat Intelligence continues to track and disrupt malicious activity attributed to a Russian state-sponsored actor we track as Star Blizzard (formerly SEABORGIUM, also known as COLDRIVER and Callisto Group). Star Blizzard has improved their detection evasion capabilities since 2022 Read More …
NATO countries wrapped up one their signature cybersecurity exercises in Estonia this week, welcoming South Korea and Japan to the proceedings as alliance officials seek like-minded governments to harden their collective virtual defenses. The Cyber Coalition 2023 event in the Read More …
Cisco has proactively shipped modified switches to Ukrenergo, the state-owned electricity grid operator in Ukraine, to bolster its defenses against Russian cyberattacks targeting energy infrastructure. These attacks have included the use of GPS-jamming tactics, which disrupt the high-voltage energy subsystems Read More …
Ukraine has sacked two top cyber defence officials after they were charged with orchestrating a multi-million pound embezzlement scheme. Yurii Shchyhol and Viktor Zhora, the head and deputy of the Service of Special Communications and Information Protection of Ukraine (SSSCIP), Read More …
Gamaredon, also known as Primitive Bear, ACTINIUM, and Shuckworm, is a unique player in the Russian espionage ecosystem that targets a wide variety of almost exclusively Ukrainian entities. While researchers often struggle to uncover evidence of Russian espionage activities, Gamaredon Read More …
The Czech and Ukrainian police have disrupted, with the support of Europol and Eurojust, a prolific phishing gang believed to have defrauded victims across Europe of tens of millions of euros. In Czechia alone, the damage caused by this criminal Read More …
In late 2022, Mandiant responded to a disruptive cyber physical incident in which the Russia-linked threat actor Sandworm targeted a Ukrainian critical infrastructure organization. This incident was a multi-event cyber attack that leveraged a novel technique for impacting industrial control Read More …
While tracking the evolution of Pensive Ursa (aka Turla, Uroburos), Unit 42 researchers came across a new, upgraded variant of Kazuar. Not only is Kazuar another name for the enormous and dangerous cassowary bird, Kazuar is an advanced and stealthy Read More …
