The Malware tag covers malware families, infrastructure analysis, incident impact, disruption efforts, and defensive guidance to reduce cybersecurity risk.
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Background for this topic.
Malware is software intentionally created or modified to perform unauthorized or harmful actions on a computer, device, or network. The term covers distinct families and functions, including viruses, worms, trojans, spyware, botnet clients, and ransomware; a single sample may combine several capabilities. Its behavior—not its label—determines the security concern: it may execute code, persist, alter or encrypt data, steal credentials, or provide unauthorized remote access.
For practitioners, malware reporting is most useful when it identifies the family or tool conservatively and provides evidence such as affected platforms, samples, infrastructure, or observed behavior. Defenses include promptly patching vulnerable software, restricting execution and privileges, monitoring endpoints and networks, maintaining tested backups, and isolating suspected systems for analysis. Detection should use behavior and verified indicators rather than names alone, since variants change. If malware processes personal or regulated data, investigations should also address privacy, evidence preservation, and applicable reporting obligations.
VirusTotal has discovered a phishing campaign hidden in SVG files that create convincing portals impersonating Colombia's judicial system that deliver malware. [...]
Investigations into the Nx "s1ngularity" NPM supply chain attack have unveiled a massive fallout, with thousands of account tokens and repository secrets leaked. [...]
Threat actors have been exploiting a zero-day vulnerability in legacy Sitecore deployments to deploy WeepSteel reconnaissance malware. [...]
Geolocation is the invisible attack vector. From Stuxnet to today's APTs, malware now lies dormant until it hits the right place—turning location data into a weapon. Acronis' TRU explains why defenses must evolve beyond VPNs and perimeter controls. [...]
Cybercriminals are abusing Meta's advertising platforms with fake offers of a free TradingView Premium app that spreads the Brokewell malware for Android. [...]