The U.S. indicted Russian national Amin Timovich Stigal for his alleged role in cyberattacks targeting Ukrainian government computer networks in an operation from the Russian foreign military intelligence agency (GRU) prior to invading the country.
The Ukraine cyber police have arrested a 28-year-old Russian man in Kyiv for working with Conti and LockBit ransomware operations to make their malware undetectable by antivirus software and conducting at least one attack himself.
The Computer Emergency Response Team of Ukraine (CERT-UA) reports about a new campaign dubbed "SickSync," launched by the UAC-0020 (Vermin) hacking group in attacks on the Ukrainian defense forces.
Hackers are utilizing code from a Python clone of Microsoft's venerable Minesweeper game to hide malicious scripts in attacks on European and US financial organizations.
Russian hacker group Sandworm aimed to disrupt operations at around 20 critical infrastructure facilities in Ukraine, according to a report from the Ukrainian Computer Emergency Response Team (CERT-UA).
The Ukrainian cyber police, in collaboration with investigators from the national police (ГУНП), have arrested three individuals who are accused of hijacking over 100 million emails and Instagram accounts worldwide.
The Main Intelligence Directorate (GUR) of Ukraine's Ministry of Defense claims that it breached the servers of the Russian Ministry of Defense (Minoborony) and stole sensitive documents.
A hacking group tracked as 'UAC-0184' was observed utilizing steganographic image files to deliver the Remcos remote access trojan (RAT) onto the systems of a Ukrainian entity operating in Finland.
Ukraine's cyber police arrested a 31-year-old for running a cybercrime operation that gained access to bank accounts of American and Canadian users and sold them on the dark web.
Ukrainian national Vyacheslav Igorevich Penchukov, one of the heads of the notorious JabberZeus cybercrime gang, has pleaded guilty to charges related to his leadership roles in the Zeus and IcedID malware groups.
The Computer Emergency Response Team in Ukraine (CERT-UA) is warning about a PurpleFox malware campaign that has infected at least 2,000 computers in the country.
The Main Intelligence Directorate of Ukraine's Ministry of Defense claims that pro-Ukrainian hacktivists breached the Russian Center for Space Hydrometeorology, aka "planeta" (планета), and wiped 2 petabytes of data.
A pro-Ukraine hacktivist group named 'Blackjack' has claimed a cyberattack against Russian provider of internet services M9com as a direct response to the attack against Kyivstar mobile operator.
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.
Ukraine's Computer Emergency Response Team (CERT) is warning of a new phishing campaign that allowed Russia-linked hackers to deploy previously unseen malware on a network in under one hour.
The Ukrainian government's military intelligence service says it hacked the Russian Federal Taxation Service (FNS), wiping the agency's database and backup copies.
Kyivstar, Ukraine's largest telecommunications service provider serving over 25 million mobile and home internet subscribers, has suffered a cyberattack impacting mobile and data services.
In cooperation with Europol and Eurojust, law enforcement agencies from seven nations have arrested in Ukraine the core members of a ransomware group linked to attacks against organizations in 71 countries.
Ukraine's intelligence service, operating under the Defense Ministry, claims they hacked Russia's Federal Air Transport Agency, 'Rosaviatsia,' to expose a purported collapse of Russia's aviation sector.
After Sandworm and APT28 (known as Fancy Bear), another state-sponsored Russian hacker group, APT29, is leveraging the CVE-2023-38831 vulnerability in WinRAR for cyberattacks.