The Malware tag covers malware families, infrastructure analysis, incident impact, disruption efforts, and defensive guidance to reduce cybersecurity risk.
Search across headline titles and summaries.
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.
HP Wolf highlighted novel techniques used by attackers to bypass email protections, including embedding malicious code inside images and utilizing GenAI
The FBI deleted Chinese PlugX malware from thousands of devices in the US, using a technique developed by French cybersecurity firm Sekoia.io
Browser-based cyber-threats surged in 2024, with credential abuse and infostealers on the rise
Diplomatic entities in Kazakhstan and Central Asia have been targeted by UAC-0063 using weaponized Word docs deploying HATVIBE malware
Researchers at Check Point said FunkSec operators appear to use AI for malware development