Anton Cherepanov

ESET Discovers PromptLock, the First AI-Powered Ransomware

August 29, 2025

Editor

ESET researchers have uncovered a new type of ransomware that leverages generative artificial intelligence (GenAI) to execute attacks. Named PromptLock, the malware runs a locally accessible AI language model to generate malicious scripts in real time.

Cyber Security

ESET Reveals RomCom Group Targeting Companies in Europe and Canada

August 25, 2025

Editor

ESET researchers have discovered a previously unknown vulnerability in WinRAR, exploited in the wild by Russia-aligned group RomCom. According to ESET telemetry, malicious archives were used in spearphishing campaigns between July 18 to July 21, 2025,

Cyber Security

ESET researchers presented Industroyer2 malware at Black Hat USA

September 6, 2022

Editor

ESET researchers Robert Lipovský and Anton Cherepanov recently presented breakthrough research into Industroyer2 during a Black Hat conference in Las Vegas, along with Victor Zhora, the Deputy Director of Ukraine’s State Service of Special Communications and Information Protection (SSSCIP).

Industrial Security

Industroyer first ever malware designed to attack power grids

June 16, 2022

Editor

André Lameiras, security writer at ESET takes a walk into his memory lane and goes back five years ago, when ESET researchers released their analysis of the first ever malware that was designed specifically to attack power grids

Cyber Security

ESET Research uncovers UEFI bootkit for cyberespionage

October 5, 2021

Editor

ESET researchers have discovered a previously undocumented real-world UEFI bootkit that persists on the EFI System Partition (ESP). The bootkit, which ESET has named ESPecter, can bypass Windows Driver Signature Enforcement to load its own unsigned driver, which facilitates its espionage activities.

News

New malware attacking Chinese VoIP platform discovered by ESET

September 14, 2020

Editor

ESET researchers have discovered and analyzed malware that targets Voice over IP (VoIP) softswitches. This new malware, named CDRThief by ESET, is designed to target a very specific VoIP platform used by two China-made softswitches (software switches): Linknat VOS2009 and VOS3000.

Cyber Security

ESET discovers new threat actor, GreyEnergy

October 17, 2018

Editor

ESET has uncovered details of a successor to the BlackEnergy APT group. Named GreyEnergy by ESET, this threat actor focuses on espionage and reconnaissance, quite possibly in preparation for future cybersabotage attacks.

Azeem Aleem, Global Executive Director, Cyber Resilience Services at CPX

Expert Corner

Time to Rethink: OT Strategies Are Failing

August 21, 2025

Editor

Azeem Aleem, Executive Director of Cyber Resilience Services at CPX, stresses that securing OT environments demands Trusted Advisors, secure-by-design practices, and collaboration to protect critical infrastructure and ensure resilience and safety.

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