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.
Threat actors are using Android Package (APK) files with unknown or unsupported compression methods to elude malware analysis
Google has announced plans to add a new feature in the upcoming version of its Chrome web browser to alert users when an extension they have installed has been removed from the Chrome Web Store
A new, financially motivated operation dubbed LABRAT has been observed weaponizing a now-patched critical flaw in GitLab as part of a cryptojacking and proxyjacking campaign
An ongoing campaign targeting ministries of foreign affairs of NATO-aligned countries points to the involvement of Russian threat actors
The just-released BlackBerry Global Threat Intelligence Report reveals a 40% increase in cyberattacks against government and public service organizations versus the previous quarter. This includes public transit, utilities, schools, and other government services we rely on daily
Account holders of over numerous financial institutions in Thailand, Indonesia, Vietnam, the Philippines, and Peru are being targeted by an Android banking malware called Gigabud RAT
A "staggering" 120,000 computers infected by stealer malware have credentials associated with cybercrime forums, many of them belonging to malicious actors
Users in Latin America (LATAM) are the target of a financial malware called JanelaRAT that's capable of capturing sensitive information from compromised Microsoft Windows systems