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 recently discovered hacking group known for targeting employees dealing with corporate transactions has been linked to a new backdoor called Danfuan
The Raspberry Robin worm is becoming an access-as-a-service malware for deploying other payloads, including IcedID, Bumblebee, TrueBot (aka Silence), and Clop ransomware
As many as 85 command-and-control (C2) servers have been discovered supported by the ShadowPad malware since September 2021, with infrastructure detected as recently as October 16, 2022
A 26-year-old Ukrainian national has been charged in the U.S. for his alleged role in the Raccoon Stealer malware-as-a-service (MaaS) operation
The North Korean espionage-focused actor known as Kimsuky has been observed using three different Android malware strains to target users located in its southern counterpart
Two point-of-sale (PoS) malware variants have been put to use by a threat actor to steal information related to more than 167,000 credit cards from payment terminals
SideWinder, a prolific nation-state actor mainly known for targeting Pakistan military entities, compromised the official website of the National Electric Power Regulatory Authority (NEPRA) to deliver a tailored malware called WarHawk