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Russia-linked hackers intensify attacks as global APT activity shifts

State-aligned hacking groups have spent the past six months ramping up espionage, sabotage, and cybercrime campaigns across multiple regions, according to ESET’s APT Activity …

malware
How Lazarus Group used fake job ads to spy on Europe’s drone and defense sector

ESET researchers have uncovered a fresh wave of Operation DreamJob, a long-running campaign linked to North Korea’s Lazarus Group. This latest activity targeted several …

Android
ProSpy and ToSpy: New spyware families impersonating secure messaging apps

ESET researchers have found two Android spyware campaigns aimed at people looking for secure messaging apps such as Signal and ToTok. The attackers spread the spyware through …

North Korea
North Korean IT workers use fake profiles to steal crypto

ESET Research has published new findings on DeceptiveDevelopment, also called Contagious Interview. This North Korea-aligned group has become more active in recent years and …

russian flag
Researchers believe Gamaredon and Turla threat groups are collaborating

ESET Research has discovered evidence of collaboration between the Gamaredon and Turla threat groups. Both groups are linked to Russia’s primary intelligence agency, the FSB, …

malware
HybridPetya: (Proof-of-concept?) ransomware can bypass UEFI Secure Boot

ESET researchers have discovered HybridPetya, a bootkit-and-ransomware combo that’s a copycat of the infamous Petya/NotPetya malware, augmented with the capability of …

botnet
New threat group uses custom tools to hijack search results

ESET Research has identified a new threat group called GhostRedirector. In June 2025, this group broke into at least 65 Windows servers, mostly in Brazil, Thailand, Vietnam, …

Agentic AI
Agentic AI coding assistant helped attacker breach, extort 17 distinct organizations

Cybercriminals have started “vibe hacking” with AI’s help, AI startup Anthropic has shared in a report released on Wednesday. An attacker used the agentic AI …

ClickFix
Fake macOS help sites push Shamos infostealer via ClickFix technique

Criminals are taking advantage of macOS users’ need to resolve technical issues to get them to infect their machines with the Shamos infostealer, Crowdstrike researchers …

WinRAR zero-day was exploited by two threat actors (CVE-2025-8088)

The RomCom attackers aren’t the only ones that have been leveraging the newly unveiled WinRAR vulnerability (CVE-2025-8088) in zero-day attacks: according to Russian …

WinRAR
WinRAR zero-day exploited by RomCom hackers in targeted attacks

ESET researchers have discovered a previously unknown vulnerability in WinRAR, exploited in the wild by Russia-aligned group RomCom. If you use WinRAR or related components …

AsyncRAT
AsyncRAT evolves as ESET tracks its most popular malware forks

AsyncRAT is an open-source remote access trojan that first appeared on GitHub in 2019. It includes a range of typical RAT capabilities, such as keylogging, screen capture, …

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