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.
Operators of The Real Deal and German Deep Web underground marketplaces are in custody for allegedly dealing in drugs, weapons, malware, and more.
The malware is being used to deliver Clop ransomware, in a vicious spate of October attacks that show an evolution in its methods.
Concerns about breaches of sensitive information due to execution of malware scripts and growing adoption of cloud-based services are fueling growth of the content security market.
Ursnif, a one-time banking Trojan also known as Gozi, becomes the latest codebase to be repurposed as a more general backdoor, as malware developers trend toward modularity.