Latest cybersecurity reporting from selected sources.

Researchers found China’s Daxin rootkit and a new Stupig backdoor on a Taiwan firm’s network, suggesting a stealthy intrusion dating back to 2013. Symantec’s Threat Hunter Team found Daxin running on a compromised host at a Taiwan-based subsidiary of a multinational high-tech manufacturer in 2026. Daxin is a Windows kernel-mode rootkit that Symantec first documented […]

A China-linked threat cluster has been exploiting vulnerable Roundcube servers at U.S. and Canadian universities to steal credentials and deploy backdoor malware. [...]

The China-aligned espionage group Mustang Panda is running two campaigns against the Indian government and hydropower targets, deploying new malware and turning a legitimate cloud service into its command channel

Chinese-speaking APT CL-STA-1062 targeted Southeast Asian government and energy networks open-source tools, and a new TinyRCT backdoor. Palo Alto Networks Unit 42 researchers published a detailed report on a Chinese-speaking threat actor, tracked as CL-STA-1062, that has been running persistent operations across East Asia since at least March 2022 and shifted focus to Southeast Asian […]

Threat Actor Silently Forwarded Sensitive Emails Matching Strategic TopicsGoogle says Chinese espionage group UNC6508 compromised REDCap environments at North American research institutions, deployed custom malware, stole credentials and covertly forwarded strategically relevant emails through abused compliance rules to support long-term intelligence collection.

A China-linked espionage campaign targeted exposed REDCap servers to deploy the InfiniteRed malware and steal sensitive data from a medical institution in North America. [...]

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Malware Targeting WordPress Abuses Steam Community Profiles for Command & Control Operations   Legitimate-Looking Codex Remote UI Secretly Steals Your AI Tokens   Operation Dragon Weave : Uncovering a China-Linked Campaign Targeting Czech Republic and Taiwan […]

Researchers Trace Linux and Windows Toolsets to Suspected PRC Espionage ActivityNewly discovered malware tied to China-linked actors breached telecom providers across Asia and the Middle East, highlighting growing efforts to gain persistent access into interconnected communications infrastructure.

Eset Researchers Discover Trove of Go-Based MalwareResearchers uncovered a Chinese-linked cyberespionage group after attackers left command and control credentials embedded in malware, exposing internal operations, testing environments and thousands of messages tied to campaigns targeting a Mongolia government agency.

Researchers Tie UAT-9244 Intrusion to Famous Sparrow and Tropic TrooperA China-linked cyberespionage group has been targeting telecommunications providers in South America since 2024 using a set of newly discovered malware tools designed to maintain persistent access to critical communications infrastructure, Cisco Talos researchers found.

Cybersecurity researchers have taken the wraps off a gateway-monitoring and adversary-in-the-middle (AitM) framework dubbed DKnife that's operated by China-nexus threat actors since at least 2019

Cybersecurity researchers have discovered a new campaign attributed to a China-linked threat actor known as UAT-8099 that took place between late 2025 and early 2026

Detected by Check Point researchers, VoidLink is a sophisticated malware framework that can be used to implant malware in the most common cloud environments

The threat actor known as Jewelbug has been increasingly focusing on government targets in Europe since July 2025, even as it continues to attack entities located in Southeast Asia and South America

And some are still active in the Microsoft Edge store A seven-year malicious browser extension campaign infected 4.3 million Google Chrome and Microsoft Edge users with malware, including backdoors and spyware sending people's data to servers in China. And, according to Koi researchers, five of the extensions with more than 4 million installs are still live in the Edge marketplace.…

PLUS: CISA issues drone warning; China-linked DNS-hijacking malware; Prison for BTC Samourai; And more Infosec In Brief Researchers have urged users of the glob file pattern matching library to update their installations, after discovery of a years-old remote code execution flaw in the tool's CLI.…

A China-aligned threat actor codenamed UTA0388 has been attributed to a series of spear-phishing campaigns targeting North America, Asia, and Europe that are designed to deliver a Go-based implant known as GOVERSHELL

A seemingly benign privilege-escalation process in VMware and other software has likely benefited attackers and other malware strains for years, researchers noted.

Researchers Uncover Covert Chinese Access to US Service Provider InfrastructureMandiant said it has tracked a Chinese-linked espionage campaign using BRICKSTORM malware to quietly embed within U.S. infrastructure and service providers for over a year, exploiting appliance-level blind spots to maintain persistence, evade detection and potentially develop zero-day exploits.

Cybersecurity researchers are calling attention to a search engine optimization (SEO) poisoning campaign likely undertaken by a Chinese-speaking threat actor using a malware called BadIIS in attacks targeting East and Southeast Asia, particularly with a focus on Vietnam