An alleged Chinese state-backed group is using a new zero-day affecting BeyondTrust IT support software to conduct espionage attacks.
Armory Castle exploited CVE-2026-102764 for initial access, deployed custom tools, and deleted logs and artifacts. The post Chinese APT Exploited BeyondTrust Vulnerability as Zero-Day appeared first on SecurityWeek.
The China-nexus cyber espionage group tracked as Armory Castle (previously UNC5221 or Warp Panda) exploited a newly disclosed security flaw in BeyondTrust Remote Support (formerly Bomgar) as a zero-day in late August 2026. The vulnerability, tracked as CVE-2026-102764 (CVSS score: 9.3), is a case of improper origin validation in an internal messaging component that could be exploited by a
Our analysis an AI-powered espionage campaign targeting government Linux infrastructure with custom malware, web shells, and advanced credential theft. The post AI-Powered Espionage Campaign Targets Government Linux Infrastructure appeared first on Unit 42.
Silent Lynx, a group likely based in Kazakhstan, targets Russian energy and government entities in espionage campaigns across Central Asia. Researchers from Cisco Talos and Recorded Future published a detailed paper on a threat actor they call Silent Lynx (aka UAT-6275, TAG-193), a Kazakhstan nexus group conducting espionage across Central Asia. The targets include the […]
Written by: Jayson Frost, Bryce Greathouse, Brian Meyer, John Palmisano, Rajesh Rajeshirke, Steve Rasch, John Wolfram Introduction On October 15, BeyondTrust disclosed a vulnerability, CVE-2026-102764, impacting BeyondTrust Remote Support (formerly Bomgar) appliances. BeyondTrust Remote Support is an enterprise secure remote access solution that enables IT teams to securely access and troubleshoot remote endpoints. The successful exploitation of this vulnerability results in the arbitrary uploa…
A roughly 2-year-old cyber-espionage campaign against Central Asian states appears to originate in Kazakhstan, researchers said.
Critical infrastructure faces mounting threats from nation-state groups and AI-driven attacks. In the latest installment of our Cybersecurity Awareness Month blog series, learn how leading cybersecurity agencies, such as CISA, are advising critical infrastructure organizations on ways to protect themselves and the essential services they provide.Key takeawaysCritical infrastructure organizations often struggle with asset visibility gaps that create hidden attack vectors. Many older OT systems a…
DOJ and FBI seized China-linked hacking tools Microscan and FishHub, linked to Integrity Tech and attacks on critical infrastructure worldwide. The Justice Department and FBI took down two hacking tools this week, Microscan and FishHub, both built and run by a Beijing-based company with direct government contracts. The tools were used to scan, and in […]
Flax Typhoon and other APTs used MicroScan and FishHub to scan and hack US and foreign critical infrastructure. The post US Disrupts Chinese State-Sponsored Hacking Tools appeared first on SecurityWeek.
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. [...]
Cyber-espionage actor UAC-0099 has been steadily refining its flagship dropper in campaigns targeting Ukrainian organizations.
Cisco Talos identified an APT spear-phishing campaign against individuals affiliated with Taiwan research organizations. The operation leveraged legitimate public event themes and impersonated reputable academic and policy institutions.
An emerging threat group known as TA419 established seemingly legitimate professional relationships with AI policy experts working for US think tanks, universities, and legal organizations.
Russian cybersecurity researchers attributed a quiet two-year espionage campaign to the Belarusian Cyber Partisans, a group better known for public attacks against governments and infrastructure.
A new China-nexus cyber espionage group known as TA419 has been attributed to multiple credential phishing campaigns targeting artificial intelligence (AI) experts working for U.S. think tanks, universities, and legal sector organizations. The campaigns have impersonated prominent economists and AI policymakers, as well as a prominent Anthropic employee, to single out an AI policy expert at a
The U.K.'s domestic intelligence and security agency has warned that more than 100 academics have helped China boost its intelligence gathering efforts on behalf of Beijing's state security service. In a "Security Service Espionage Alert" issued on September 30, 2026, MI5 said the "primary purpose of the China General Technology Research Institute (CGTRI) 中国通用技术研究院 is to fund research that
Cisco Talos details UAT-11587, a China-linked group using the Antino backdoor and Microsoft 365 as cover to spy on Asian governments. Cisco Talos has been tracking a cluster of espionage activity since September 2025 that it calls UAT-11587, and by July 2026 the group had hit at least 16 government and policy organizations across eight […]
Government and policy organizations across Asia have become the target of a new campaign orchestrated by a China-nexus threat actor. The activity, which has targeted government and policy organizations in Taiwan, India, the Philippines, Cambodia, Pakistan, Thailand, and Myanmar, involves the deployment of a previously undocumented backdoor codenamed Antino. Cisco Talos is tracking the cluster
A year-old Chinese threat actor looks like a cybercrime gang, acts like a state-associated APT, and attacks organizations in unexpected places.
The APT actor is using a new tactic, dubbed "RedFlick," against Ukrainian-linked targets such as NGOs, think tanks, and journalists to deploy its CosmicPulse backdoor.
The state-sponsored group has launched larger-scale phishing campaigns to deploy the CosmicPulse backdoor. The post Russian APT Star Blizzard Uses ‘RedFlick’ Infection Chain in Recent Attacks appeared first on SecurityWeek.
ClickFix has become the most common way attackers get into enterprise networks, and it does it without an exploit, an attachment, or a file on disk. Our new global threat report traces the technique from a novelty in late 2023 to a subscription product with on-chain infrastructure and a state-sponsored user base, and explains why blocking malicious domains is no longer a useful defense. Read
DarkMe, an APT-linked VB6 RAT known for using zero day exploits, turned up in two Huntress incidents stripped down to a plain .pif infostealer malware.
The Pakistan-aligned threat group tracked as Transparent Tribe (aka APT36 and Earth Karkaddan) has been attributed to a fresh set of cyber attacks targeting government and defense entities in India and Afghanistan. The attacks, per Zscaler ThreatLabz, involve the use of previously undocumented tools called RUSTYSHADE, RUSTYMOVE, PSNATCH, and BASHNATCH. The activity has been codenamed Operation
Amid the US and China's fight for eco-colonial influence in Latin America, a stealthy backdoor has taken flight.
The China-aligned state-sponsored threat actor known as FamousSparrow has been observed deploying a previously unreported backdoor called SparroWocky in attacks targeting multiple countries in Latin America since at least August 2025. "SparroWocky is a modular, C++ backdoor," ESET security researchers Alexandre Côté Cyr and Romain Dumont said in a technical report shared with The Hacker News
The China-linked espionage group FamousSparrow has been using a new backdoor named SparroWocky in attacks on government organizations in Latin America. [...]
ESET researchers document SparroWocky, the new flagship backdoor of the FamousSparrow APT group
Enterprises in Russia have emerged as the target of three threat activity clusters tracked as NightEagle, Hacking Cat, and Toy Ghouls, according to multiple reports from Kaspersky. The cybersecurity vendor said it has identified attacks mounted by NightEagle (aka APT-Q-95), a threat actor known to be active since at least 2023, that involve new techniques for persistence and lateral movement.
