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.
Southeast Asia is learning the hard way that biometric scans are nearly as easy to bypass as other kinds of authentication data, thanks to a creative banking Trojan.
The feds disrupted a Russian intelligence SOHO router botnet notable for being built with Moobot malware rather than custom code.
A spate of recent cyber-espionage attacks showcases Turla's brand-new modular custom malware, and an expansion of the state-sponsored group's scope of targets.
Cyberattacks targeting thousands of US organizations wields a new attack vector to deliver the versatile initial-access loader — and is a harbinger of a surge in threat activity.
A malware with every malicious feature in the book is adding new pages, with a fresh ability to invade the lowest levels of a Windows machine.