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9 articles
Between April 22 and 27, 2026, ESET published 11 articles covering a range of high-severity threats, with GopherWhisper, APT33, and LockBit among the top actors observed. The reports highlighted significant impacts on government, technology, business services, consumer, and energy sectors across Global, Mongolia, Europe, Japan, and the Middle East. Of the 11 articles, seven were rated high severity, two medium, and one informational, reflecting a concentrated period of notable cyber activity.
INFORMATIONALESET: SMBs Gain Defensive Edge via Threat Research, MDR
ESET Threat Research Director Jean-Ian Boutin explains how SMBs leverage MDR and threat intel to detect intrusions faster, citing 3.5-day median dwell time reduction.
MEDIUMMobile App Permissions Still Expose Users to Privacy Risks
ESET analysis shows 1 in 3 Android apps request unnecessary permissions — location, camera, microphone — enabling data harvesting and surveillance. Users should audit permissions.
HIGHESET: Cloud VMs Expose Critical Security Gaps in Enterprise
ESET warns that misconfigured cloud VMs—overprivileged IAM roles, exposed management ports, and unpatched OS images—create systemic security gaps across enterprise environments.
MEDIUMESET: March 2026 Cyber Threats Show Resilience Gaps
ESET's Tony Anscombe warns that March 2026 attacks — including ransomware, supply chain compromises, and AI-driven phishing — reveal systemic gaps in organizational…
HIGHIran Conflict Spills Over: Cyber Threats to Critical Infrastructure
ESET warns of increased Iranian cyber activity targeting energy, water, and transportation sectors globally as Middle East conflict escalates.
HIGHSilver Fox APT Spoofs Japanese Tax Emails in Targeted Campaign
ESET details Silver Fox APT targeting Japanese firms with tax-themed phishing emails delivering malware via weaponized Excel attachments during tax season.
HIGHGopherWhisper APT Targets Mongolian Government in Espionage Campaign
ESET discovered China-aligned APT GopherWhisper targeting Mongolian government institutions with custom Go-based malware, leveraging legitimate services for C2.
HIGHChina-Linked GopherWhisper Hits 12 Mongolian Gov Systems
ESET identified GopherWhisper, a China-aligned APT, breaching 12 Mongolian government systems with Go-based backdoors, injectors, and loaders since early 2026.
HIGHRansomware Attackers Operate Like Businesses, ESET Research Reveals
ESET analysis of 100+ ransomware attacks shows threat actors run business operations with defined roles, KPIs, and supply chains, not just technical attacks.
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