YouTubers targeted with fake sponsorships and “channel verification” phishing
Scammers are going after YouTube creators’ Google accounts by posing as a brand looking for sponsorship partners. By sending out personalized emails that reference a …
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 …
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, …
ESET introduces new AI capabilities for autonomous agent security
ESET is expanding its AI capabilities across threat detection, investigations, threat protection, and security operations, delivering added value to customers through built-in …
No one knows how many old shims can still bypass UEFI Secure Boot
The vast majority of UEFI computers carry a Microsoft certificate that will trust a small first-stage loader called a shim, a program Microsoft signs so that Linux and …
Thousands of malicious AI skills found capable of stealing data, running malware
AI agents can browse the web, use external tools, execute commands, and perform tasks on behalf of users. Many rely on skills that define how they interact with services and …
GentleKiller targets more than 400 security processes across 48 products
Most ransomware operations leave the work of disabling endpoint security software to their affiliates. The ransomware-as-a-service gang Gentlemen runs a different model. Its …
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. …
Webworm APT targets European government organizations with new backdoors
ESET has released an analysis of the 2025 activity of Webworm, a China-aligned APT group tracked as Space Pirates and UAT-8302. Active since at least 2022, the group initially …
CallPhantom Android scam reached 7.3 million downloads on Google Play
Scams targeting Android users in India and across the Asia-Pacific region have grown around a long-standing curiosity gap: the desire to look up call records tied to a phone …
North Korean hackers trojanize gaming platform to spy on ethnic Koreans in China
A gaming platform built for ethnic Koreans in China has been serving backdoored Windows and Android software to its users since late 2024. The platform, sqgame[.]net, hosts …
GopherWhisper APT group hides command and control traffic in Slack and Discord
Attackers continue to lean on everyday collaboration platforms to hide command and control traffic inside normal enterprise noise. A newly identified China-aligned APT group …
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