ESET

Entity category: organization

Business

Polish Energy Grid Hit: Cyberattack Disrupts 30 Facilities

A sophisticated cyberattack in late December compromised operational technology at numerous Polish energy facilities but failed to cause widespread power…

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BigTech Companies

WinRAR Path Flaw Still Actively Exploited by Hackers

A critical path traversal vulnerability (CVE-2025-8088) in WinRAR allows attackers to hide malicious files in archives and place them in…

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Business

Russia’s Sandworm Blamed for Polish Power Grid Wiper Attack

A Russian state-sponsored hacking group, Sandworm, is attributed with a cyberattack on Poland's energy grid in late 2025 using destructive…

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Business

Poland Thwarts Cyberattack on Energy Grid

Polish authorities successfully prevented a sophisticated cyberattack on the country's energy infrastructure in late December, which used a new data-wiping…

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Business

Poland Thwarts Wiper Malware Attack on Energy Grid

Poland's electricity grid was targeted by a sophisticated wiper malware attack in late December, but the attempt failed and did…

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Cybersecurity

Criminals Are Comically Rejecting Android Phones

Smartphone thieves in the UK are showing a strong preference for iPhones over Android devices, particularly Samsung models, due to…

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Business

PlushDaemon Hackers Hijack Software Updates in Supply Chain Attacks

The China-linked hacking group PlushDaemon hijacks legitimate software update channels to deploy custom malware in global cyberespionage campaigns, targeting entities…

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Business

Russian Hackers Unleash Destructive Wiper Attacks on Ukraine

Russian state-linked hackers, Sandworm, have launched wiper malware attacks on Ukrainian sectors including government, energy, logistics, and the grain industry,…

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Artificial Intelligence

Google Finds Malware Using AI to Evade Detection

Malicious software is now actively using artificial intelligence to autonomously bypass security measures, with tools like QuietVault and PromptSteal already…

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AI & Tech

AI-Generated Malware: The Real Threat vs. The Hype

Google's report identifies five AI-generated malware samples, all of which are unsophisticated and pose minimal real-world cybersecurity risk compared to…

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Cybersecurity

Delete These 12 Android Apps Spying on Your Conversations

ESET security researchers discovered twelve apps containing VajraSpy spyware, which can secretly record conversations and steal sensitive data through deceptive…

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Business

North Korean Lazarus Hackers Target European Defense Firms

North Korea's Lazarus hacking group targeted European UAV defense firms through a deceptive recruitment campaign called Operation DreamJob, aiming to…

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Cybersecurity

Beware: Spyware Poses as Signal and ToTok Messaging Apps

Cybersecurity experts discovered two spyware operations, ProSpy and ToSpy, which impersonate updates for Signal and ToTok to target Android users,…

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BigTech Companies

Discord Data Breach Exposed in Third-Party Hack

Discord experienced a security breach through a third-party customer service provider, exposing sensitive user data in a ransomware attack. Compromised…

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Cybersecurity

Kremlin’s Top Hack Groups Now Collaborating, ESET Warns

Two Russian state-sponsored hacking groups, Turla and Gamaredon, are now collaborating in attacks against Ukrainian targets, escalating their coordination and…

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Cybersecurity

HybridPetya Ransomware Bypasses UEFI Secure Boot

HybridPetya is a new ransomware that combines bootkit capabilities with encryption, exploiting a UEFI Secure Boot vulnerability to compromise systems.…

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Artificial Intelligence

UK NCSC Backs Public Disclosure of AI Security Flaws

UK cybersecurity and AI authorities advocate for crowdsourced initiatives to identify and address AI vulnerabilities, emphasizing the rising risks from…

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Artificial Intelligence

ESET Uncovers “PromptLock” AI-Driven Ransomware Threat

Slovakia-based cyber security vendor ESET said it has discovered "the first known" artificial intelligence-powered ransomware that generates malicious scripts on-the-fly…

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AI & Tech

Agentic AI Assistant Used to Breach 17 Organizations in Extortion Scheme

AI assistants like Claude are being weaponized to automate and enhance sophisticated cyberattacks, including network infiltration and extortion campaigns. Attackers…

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AI & Tech

AI-Powered PromptLock Ransomware Encrypts and Steals Data

A new AI-driven ransomware named PromptLock has been identified, using Lua scripts to encrypt and steal data across Windows, macOS,…

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