Russian Federation
Ukrainian drones hit Yandex data centers, sparking claims that Russian troll farms went quiet
Russian tech giant Yandex confirmed that drones hit three of its data centers, shutting down the facilities in Sasovo and Vladimir and knocking out part of the infrastructure …
What is MATCHBOIL? The Russia-aligned malware that installs a spying backdoor
ESET researchers traced almost two years of changes to MATCHBOIL, a downloader that the Russia-aligned group UAC-0099 uses to plant a second program on Windows machines in …
UK gears up for fight against Russia’s disinformation machine
The UK government will create a new body to track and disrupt disinformation campaigns run by hostile states, Prime Minister Andy Burnham announced at the United Nations …
Russian hackers plant nuclear weapon prompt in malware to trip AI safety guardrails
Russian state hackers are trying to interfere with AI-assisted malware analysis in Ukraine by deliberately setting off AI safety mechanisms, ESET has found. The technique, …
Russian hackers abuse hotel Wi-Fi networks to steal Microsoft 365 credentials and deploy malware
Midnight Blizzard, the Russian threat actor tied to the country’s foreign intelligence service, has spent months targeting users of public Wi-Fi networks at places like …
Laundry Bear’s new Microsoft Exchange attack triggers on email open (CVE-2026-42897)
Russia-affiliated cyber espionage group Laundry Bear (aka Void Blizzard, aka TA488) is exploiting CVE-2026-42897, a cross-site scripting vulnerability in Microsoft Exchange, …
Russian hackers exploit unpatched Zimbra servers to steal emails
Russian state-backed hacker group Laundry Bear has been breaking into government and commercial networks for at least a year by exploiting a vulnerability in the Zimbra …
EU and UK blacklist Russia’s cyber operators over efforts to destabilize Europe
The EU and the UK jointly sanctioned dozens of Russian individuals and entities, accusing Moscow of coordinating a malicious cyber ecosystem targeting Europe, its member …
Oil shipments, drone makers, and a poisoned code library targeted in recent APT campaigns
Geopolitical pressure drove much of the state-sponsored cyber activity recorded between October 2025 and March 2026, according to ESET’s latest APT Activity Report. …
Authorities seize 800 servers used for cyberattacks and disinformation
Dutch authorities arrested two men and seized 800 servers linked to a hosting provider that investigators say supported Russian activities aimed at undermining democracy and …
Google researchers uncover criminal zero-day exploit likely built with AI
Google’s threat intelligence researchers have linked a zero-day exploit to AI-assisted development by a criminal group. The exploit targeted a popular open-source …
Attackers compromised Daemon Tools software to deliver backdoors
Kaspersky researchers uncovered another supply chain compromise involving a popular Windows tool: Daemon Tools, an app for mounting disk image files as virtual drives that is …
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