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.
Threat actors affiliated with North Korea have been observed leveraging LinkedIn as a way to target developers as part of a fake job recruiting operation
Targets Includes Technology, Government and Telecommunications SectorsCybercriminals are using a critical remote code execution vulnerability in an open-source geospatial data platform to spread malware globally across several industries. GeoServer Project maintainers released a patch on July 1. The vulnerability has a CVSS score of 9.8 out of 10.
In the past, Putin's Unit 29155 has utilized malware like WhisperGate to target organizations, particularly those in Ukraine.
A new Android malware named SpyAgent uses optical character recognition (OCR) technology to steal cryptocurrency wallet recovery phrases from screenshots stored on the mobile device. [...]
A recently disclosed security flaw in OSGeo GeoServer GeoTools has been exploited as part of multiple campaigns to deliver cryptocurrency miners, botnet malware such as Condi and JenX, and a known backdoor called SideWalk
The malware, KTLVdoor, has already been found on more than 50 command-and-control servers and enables full control of any environment it compromises.
Hackers are targeting other hackers with a fake OnlyFans tool that claims to help steal accounts but instead infects threat actors with the Lumma stealer information-stealing malware. [...]
Hackers are targeting other hackers with a fake OnlyFans tool that claims to help steal accounts but instead infects threat actors with the Lumma stealer information-stealing malware. [...]
Hackers interested in targeting OnlyFans users have themselves been singled out by an infostealing campaign
Threat actors are likely employing a tool designated for red teaming exercises to serve malware, according to new findings from Cisco Talos
The Chinese-speaking threat actor known as Earth Lusca has been observed using a new backdoor dubbed KTLVdoor as part of a cyber attack targeting an unnamed trading company based in China
Adversaries reusing abandoned package names sneak malware into organizations in a sort of software shell game.
Sophisticated social engineering is expected to accompany threat campaigns that are highly targeted and aimed at stealing crypto and deploying malware.
Cisco Talos has assessed that red teaming tool MacroPack is being abused by various threat actors in different geographies to deploy malware
A new malware campaign is spoofing Palo Alto Networks' GlobalProtect VPN software to deliver a variant of the WikiLoader (aka WailingCrab) loader by means of a search engine optimization (SEO) campaign
The malware, first discovered two years ago, has returned in campaigns using SEO poisoning.
The FBI warns of North Korean hackers aggressively targeting cryptocurrency companies and their employees in sophisticated social engineering attacks, aiming to deploy malware that steals their crypto assets. [...]
An old but persistent email scam known as "sextortion" has a new personalized touch: The missives, which claim that malware has captured webcam footage of recipients pleasuring themselves, now include a photo of the target's home in a bid to make threats about publishing the videos more frightening and convincing.
Malware authors have iterated on one of the premier encryptors on the market, building something even bigger and better.
A variant of the WikiLoader malware was observed being delivered via SEO poisoning and spoofing Palo Alto Networks’ GlobalProtect VPN software