china
BAE Systems cyberattack disrupts US federal court operations
The Administrative Office of the US Courts says a cyberattack on government contractor BAE Systems has taken down the notice system used by federal bankruptcy courts. In a Thursday press release, the Administrative Office of the US Courts said the BAE Systems cyberattack also halted the production and distribution of bankruptcy notices. “The Administrative Office […]
ARTEX AI, Claude agents used in cyberattacks on South Korean banks
A Chinese-speaking hacker launched cyberattacks that shook the South Korean financial sector earlier this month, using the ARTEX AI penetration testing suite and Claude agents. The actor targeted multiple Korean banks, including Shinhan Bank, KB Kookmin Bank, and Hana Bank, exposing clients ‘ personal data and credit card information, and causing system outages in some […]
FBI disrupts Chinese hacking tools used to breach critical infrastructure
The FBI has seized seven domains used by Chinese state-sponsored hackers known as Flax Typhoon to operate two hacking tools, MicroScan and FishHub, used in attacks that breached critical infrastructure and other organizations worldwide. The seizures targeted infrastructure supporting the two hacking platforms allegedly operated by China-based Integrity Technology Group (Integrity Tech), which U.S. authorities […]
Warlock ransomware breach SharePoint in water, telecom operator attacks
The China-linked ransomware group Warlock targeted a water utility, a telecom provider, a regional government body, and a university by exploiting SharePoint vulnerabilities to gain initial access. Over the past two months, the threat actor appears to have focused on countries speaking Portuguese and Spanish across Europe, Africa, and Latin America. The gang emerged in […]
Chinese hackers use SparroWocky malware in govt espionage attacks
The China-linked espionage group FamousSparrow has been using a new backdoor named SparroWocky in attacks on government organizations in Latin America. The operations have been ongoing for more than a year, with the new malware replacing the previously used SparrowDoor custom backdoor. ESET researchers observed SparroWocky in attacks targeting organizations in Argentina, Ecuador, Guatemala, Honduras, […]
Hackers exploit Tencent app flaw to deploy GrayRabbit malware
Threat actors linked to a China-aligned espionage group are exploiting a critical vulnerability (CVE-2026-51990) in Tencent’s Sogou Input Method for Windows to deploy the GrayRabbit backdoor. Researchers at cybersecurity company Gen Digital warn that the security issue is a one-click remote code execution (RCE) flaw. “We observed this vulnerability actively exploited in the wild by […]
US says Chinese firms extracted billions of tokens from frontier AI models
U.S. cybersecurity and intelligence agencies say that six Chinese AI companies conducted industrial-scale distillation attacks on American frontier AI models since at least late 2024. A joint advisory from CISA, NSA, and the FBI states that DeepSeek, Moonshot AI, Alibaba, MiniMax, StepFun, and Z.AI extracted billions of tokens through millions of requests from frontier AI […]
Chinese Fire Ant hackers turn Cisco routers into spying platforms
The researchers discovered Fire Ant’s new tactic after finding an active GRE (Generic Routing Encapsulation) tunnel interface on a Cisco IOS XR router that could not be explained by a running configuration or commit history. According to incident response company Sygnia, the threat actor switched from targeting VMware hypervisors to compromising Cisco routers, TACACS authentication servers, […]
FBI disrupts proxy network enabling Chinese espionage operations
The FBI has disrupted infrastructure associated with a technical “quartermaster” that provided reconnaissance, proxy management, and operational routing capabilities for Chinese cyber espionage activities. According to the Department of Justice, a threat actor known as QTFY/QT/QTCYBER utilized two “hacking platforms known as ‘QScan’ and ‘QTRouter,’” in attacks targeting U.S. critical infrastructure and other sensitive networks. Among QTFY’s […]
New Dysphoria DDoS botnet spreads to 200k devices worldwide
A botnet called Dysphoria has compromised around 200,000 devices across the world and is using them for distributed denial of service (DDoS) attacks and traffic relay operations. According to QiAnXin XLab cybersecurity researchers, Dysphoria evolved from the ‘jackskid’ and ‘fbot’ malware by adding a covert blockchain-based command-and-control (C2) resolution mechanism. Specifically, the botnet uses Ethereum […]