Latest cybersecurity reporting from selected sources.

Alleged Nation-State Hacker Being Held in Houston JailU.S. prosecutors allege 34-year-old Chinese national Xu Zewei operated under China’s Ministry of State Security to hack universities and firms during the pandemic, exploiting VPN and Exchange flaws and exfiltrating research data in a Silk Typhoon campaign.

A suspected Chinese state-backed hacking group has been quietly exploiting a critical Dell security flaw in zero-day attacks that started in mid-2024. [...]

State-backed attackers started poking flaw as soon as it dropped – anyone still unpatched is on borrowed time Amazon has warned that China-nexus hacking crews began hammering the critical React "React2Shell" vulnerability within hours of disclosure, turning a theoretical CVSS-10 hole into a live-fire incident almost immediately.…

Two hacking groups with ties to China have been observed weaponizing the newly disclosed security flaw in React Server Components (RSC) within hours of it becoming public knowledge

Chinese Hackers Target European Diplomats with LNK File FlawChinese nation-state hackers are exploiting a Windows vulnerability to hack European diplomatic outposts, say security researchers - but operating system giant Microsoft says the flaw doesn't merit a patch. Hackers used a flaw already compromised by North Korea and Russia.

Also: ToolShell Hits South Africa, Most Americans Are Online Fraud VictimsThis week: Did China sneak a peek into ToolShell? ToolShell hacking in South Africa, Cisco flaws, an Arizona woman sentenced for aiding North Korea. Most Americans scammed online, a NASCAR data breach and a claimed data leak at France's Naval Group. Orange telecom disrupted. Dating app Tea breach.

Microsoft has formally tied the exploitation of security flaws in internet-facing SharePoint Server instances to two Chinese hacking groups called Linen Typhoon and Violet Typhoon as early as July 7, 2025, corroborating earlier reports

Also, Spain Arrests Hacker Behind Leaks Targeting Politicians and JournalistsThis week, Chinese sites mimicked brands, Spain arrested data leak hackers, Swiss health nonprofit ransomware attack, ICC probed a cyberattack, UNFI restored systems, a flaw in smart tractors, RomCom RAT. A U.K. man sentenced for locking employer out of network. A WordPress hack installs a Trojan.

Hackers Targeted French Government Entities, ANSSI SaidA hacking campaign linked to Chinese threat actors chained zero-days in Ivanti server software to target French government, defense and media entities, the national cyber agency said. The hacker has similarities to a Chinese threat actor tracked as UNC5174.

Also, O Canada, Oh Brother and More Probable Chinese HackingThis week, ransomware kills, Salt Typhoon hit Canada, Russian backdoors, SAP and Citrix patches, China hackers in the oil and energy sector. Brother printers have an unfixable flaw. Ransomware hit a U.S. dairy cooperative. Hackers in Albania and Oxford. European lawmakers heard cybersecurity advice.

The Canadian Centre for Cyber Security and the FBI confirm that the Chinese state-sponsored 'Salt Typhoon' hacking group is also targeting Canadian telecommunication firms, breaching a telecom provider in February. [...]

Also, Researchers Exploit Tesla Wall Connector Via Charging CableThis week: Chinese Salt Typhoon hackers hit Viasat, researchers hacked a Tesla charger, Sitecore CMS flaws, Krispy Kreme disclosed hacking damage, Archetyp Market taken down. Episource disclosed a ransomware hack and Spain ruled out cyberattack for the April Iberian blackout.

A China-linked unnamed threat actor dubbed Chaya_004 has been observed exploiting a recently disclosed security flaw in SAP NetWeaver

Salt Typhoon Exposed Major Flaws in Telecom Networks. Few Changes Have Been MadeAfter China's Salt Typhoon breach of U.S. telecom networks, federal experts told Congress on Wednesday the nation remains dangerously exposed to another attack - despite warnings, investigations and interagency coordination, all of which have yet to produce systemic cyber defense improvements.

UAT-5918 Breaches Taiwan's Critical Sectors Using N-Day Flaws for CyberespionageHackers with ties to China-based hacking groups including Volt Typhoon are breaching Taiwan's critical infrastructure by exploiting unpatched web and application servers as entry points for a cyberespionage campaign. Cisco Talos threat hunters identified the new threat actor as UAT-5918.

The China-lined threat actor behind the zero-day exploitation of security flaws in Microsoft Exchange servers in January 2021 has shifted its tactics to target the information technology (IT) supply chain as a means to obtain initial access to corporate networks

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.

The Chinese state-backed hacking group Volt Typhoon is behind attacks that exploited a zero-day flaw in Versa Director to upload a custom webshell to steal credentials and breach corporate networks. [...]

UNC5174 Exploited F5 BIG-IP and ScreenConnect VulnerabilitiesA likely Chinese hacker-for-hire used high-profile vulnerabilities in a campaign targeting a slew of Southeast Asian and U.S. governmental and research organizations, says threat intel firm Mandiant. Rapid exploitation of newly patched flaws has become a hallmark of Chinese threat actors.

Outdated Software, Exploited Flaws, Security Loopholes Expose Ivanti's DevicesSupply chain security firm Eclypsium found corporate VPN maker Ivanti's Pulse Secure devices - which underwent much emergency patching amid a likely Chinese espionage zero-day hacking campaign - operate on an 11-year old version of Linux and use many obsolete software packages.