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.
The bargain T95 Android TV device was delivered with preinstalled malware, adding to a trend of Droid devices coming out-of-the-box tainted.
Rhadamanthys spreads through Google Ads that redirect to bogus download sites for popular workforce software — as well as through more typical malicious emails.
A security vendor's investigation of infrastructure associated with a new, crypto-focused Magecart skimmer leads to discovery of cryptoscam sites, malware distribution marketplace, Bitcoin mixers, and more.
Unpatched Cisco bugs, tracked as CVE-2023-20025 and CVE-2023-20026, allow lateral movement, data theft, and malware infestations.
The cryptomining malware, which typically targets Linux, is exploiting weaknesses in an open source container tool for initial access to cloud environments.
401 distinct cloud apps shown to deliver malware; Microsoft OneDrive delivered 30% of all cloud malware downloads.
The AI-based chatbot is allowing bad actors with absolutely no coding experience to develop malware.