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.
Germany's Federal Office for Information Security (BSI) has disrupted the BadBox malware operation pre-loaded in over 30,000 Android IoT devices sold in the country. [...]
Germany's Federal Office for Information Security (BSI) has disrupted the BadBox malware operation pre-loaded in over 30,000 Android IoT devices sold in the country. [...]
A new Linux rootkit malware called Pumakit has been discovered that uses stealth and advanced privilege escalation techniques to hide its presence on systems. [...]
Iranian threat actors are utilizing a new malware named IOCONTROL to compromise Internet of Things (IoT) devices and OT/SCADA systems used by critical infrastructure in Israel and the United States. [...]