Latest cybersecurity reporting from selected sources.

GREYVIBE, a Russia-linked group active since 2025, targets Ukraine with AI-assisted malware and five attack chains. Researchers say it’s part spy op, part crime gang. Security firm WithSecure has been tracking a previously unknown Russian-linked APT group called GREYVIBE since at least August 2025. The group targets Ukraine and Ukrainian-related organizations across military, government, civilian, […]

Nation-State Teams Tied to Grain Sector Targeting, Plus More Joined-Up OperationsRussia's nation-state hacking groups have returned to pummeling Ukrainian targets with destructive, wiper malware, including in apparent attempts to disrupt its economically valuable grain sector, alongside the repeat targeting of allied European nations, researchers report.

Cybersecurity researchers have discerned evidence of two Russian hacking groups Gamaredon and Turla collaborating together to target and co-comprise Ukrainian entities

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. [...]

The China-linked nation-state hacking group referred to as Mustang Panda is using lures related to the ongoing Russo-Ukrainian War to attack entities in Europe and the Asia Pacific

Researchers who helped thwart the Russian nation-state group's recent attack on Ukraine's power supply will disclose at Black Hat USA what they found while reverse-engineering the powerful Industroyer2 malware used by the powerful hacking team.

Researcher finds pro-Ukraine hacktivists are having an impact

Cyber criminals and hacktivist groups are increasingly using the Telegram messaging app for their activities, as the Russia-Ukraine conflict enters its eighth day

Ukraine is recruiting a volunteer "IT army" of security researchers and hackers to conduct cyberattacks on thirty-one Russian entities, including government agencies, critical infrastructure, and banks. [...]

Cybersecurity researchers on Monday said they uncovered evidence of attempted attacks by a Russia-linked hacking operation targeting a Ukrainian entity in July 2021