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.
A previously unknown advanced threat actor tracked as 'Blackwood' is using sophisticated malware called NSPX30 in cyberespionage attacks against companies and individuals. [...]
Russian national Vladimir Dunaev has been sentenced to five years and four months in prison for his role in creating and distributing the Trickbot malware used in attacks against hospitals, companies, and individuals worldwide. [...]
Hackers are using a stealthy method to deliver to macOS users information-stealing malware through DNS records that hide malicious scripts. [...]