Latest cybersecurity reporting from selected sources.

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

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

2 More Vulnerabilities Need Patching in React Server Components, Warns VercelMass exploitation of the "React2Shell" - CVE-2025-55182 - vulnerability remains underway by nation-state hackers tied to China, North Korea and Iran, as well as financially motivated cybercriminals running everything from cryptomining malware to DDoS services, security experts warn.

China-linked cyber-espionage actors tracked as 'Bronze Butler' (Tick) exploited a Motex Lanscope Endpoint Manager vulnerability as a zero-day to deploy an updated version of their Gokcpdoor malware. [...]

Expired security cert, real Brussels agenda, plus PlugX malware finish the job Cyber spies linked to the Chinese government exploited a Windows shortcut vulnerability disclosed in March – but that Microsoft hasn't fixed yet – to target European diplomats in an effort to steal defense and national security details.…

CISA Lists Flaws as Actively ExploitedHackers are actively exploiting years-old flaws in obsolete Wi-Fi cameras and video recorders made by D-Link, warn U.S. cybersecurity authorities. Possibly Chinese hackers have used one of the flaws to implant HiatusRAT malware. "Attackers don’t care if a vulnerability is new or old."

CISA Lists Flaws as Actively ExploitedHackers are actively exploiting years-old flaws in obsolete Wi-Fi cameras and video recorders made by D-Link, warn U.S. cybersecurity authorities. Possibly Chinese hackers have used one of the flaws to implant HiatusRAT malware. "Attackers don’t care if a vulnerability is new or old."

A Chinese-speaking threat actor tracked as UAT-6382 has been linked to the exploitation of a now-patched remote-code-execution vulnerability in Trimble Cityworks to deliver Cobalt Strike and VShell

More Evidence Surfaces of Chinese Hackers Targeting Ivanti ProductsA suspected Chinese cyberespionage operation is behind a spate of malware left on VPN appliances made by Ivanti. The threat actor used a critical security vulnerability the Utah company patched in February. "We are aware of a limited number of customers whose appliances have been exploited."

Ivanti has released security updates to patch a critical Connect Secure remote code execution vulnerability exploited by a China-linked espionage actor to deploy malware since at least mid-March 2025. [...]

CISA Publishes Anatomy of Advanced Ivanti VPN MalwareHackers using Trojans connected to a malware family deployed by Chinese nation-state hackers are actively exploiting a now-patched vulnerability in Ivanti Connect Secure appliances. The malware "contains capabilities of a rootkit, dropper, backdoor, bootkit, proxy and tunneler."

Winnti once used a variety of malware, but is now focused on SQL vulnerabilities and obfuscation, updated encryption, and new evasion methods to gain access.

Hackers exploiting the critical Ivanti Connect Secure zero-day vulnerability disclosed yesterday installed on compromised VPN appliances new malware called 'Dryhook' and 'Phasejam' that is not currently associated with any threat group. [...]

Suspected Chinese Attackers Again Tied to Active Exploitation of VPN AppliancesVPN appliance maker Ivanti has begun releasing updates to patch a zero-day vulnerability being actively exploited by suspected nation-state attackers. Experts are warning users to immediately update their devices, after factory resetting them to flush any malware attackers may have installed.

Hackers Targeted a PAN-OS Flaw Days After Its DisclosureA suspected Chinese hacking campaign that began in November is exploiting a vulnerability in Palo Alto firewalls to install a custom malware backdoor for espionage. UNC5325 activity aligns with the Chinese hacking strategy of targeting edge devices.

Malware Targets Vulnerable Web Cameras and DVRs WorldwideHackers are deploying brute force attacks and using unpatched vulnerabilities to target Chinese-manufactured web cameras and DVRs, the FBI is warning. Targets include a range of organizations in Taiwan and at least one U.S. government server.

Multiple threat actors have been observed exploiting a recently disclosed security flaw in PHP to deliver remote access trojans, cryptocurrency miners, and distributed denial-of-service (DDoS) botnets

Threat actor "Velvet Ant" has been exploiting a vulnerability in Cisco's NX-OS Software for managing a variety of switches, executing commands and dropping custom malware.

A China-nexus cyber espionage group named Velvet Ant has been observed exploiting a zero-day flaw in Cisco NX-OS Software used in its switches to deliver malware

Google-owned Mandiant said it identified new malware employed by a China-nexus espionage threat actor known as UNC5221 and other threat groups during post-exploitation activity targeting Ivanti Connect Secure VPN and Policy Secure devices