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The US State Department is offering up to US $10 million through Rewards for Justice for information on Zhang Yu, 44, a Chinese national accused of being a key figure in the state-sponsored group Hafnium (also tracked as Silk Typhoon). Zhang is described as a director at Shanghai Firetech Information Science and Technology, working under …
Kaspersky reports a Lazarus Group operation dubbed FlashHole, targeting South Korean organizations since July 2025 with a complex, mostly in-memory infection chain. The attackers use the NIST-standardized ML-KEM-1024 post-quantum key encapsulation mechanism for C2 communications, so that subsequent payloads are delivered encrypted and are…
Rapid7's Q3 2026 threat landscape report finds that high-severity vulnerabilities were exploited an average of three days after disclosure, with 71% exploited within the first seven days. 79% of them are classed as 'holy grail' flaws, meaning remote and needing no credentials or user interaction. Ransomware remains the dominant threat. Th…
A US federal magistrate judge in San Francisco ordered former OpenAI engineer Abdulrahman Alfozan to remain in custody, citing flight risk. Prosecutors allege he planted a covert audio recording device, hidden in toilet paper behind a TV, in an executive conference room used for confidential meetings. OpenAI found the device in late Septe…
Recorded Future's Insikt Group reports on TAG-193, a cluster that ran a sustained intelligence-collection campaign against government bodies from early 2025 through May 2026. Targets include diplomacy, economic development, agriculture and environmental agencies in Russia, Tajikistan, Belarus, Armenia and Uzbekistan. Lure documents and im…
Federal prosecutors say former OpenAI engineer Abdulrahman Alfozan, a 35-year-old Saudi national, was "mere days" from fleeing to Saudi Arabia before his arrest. A San Francisco federal judge (Alex Tse) denied his request for home confinement. Prosecutors allege he secretly installed an audio recording device in an executive conference ro…
A U.S. court on Monday granted the government's request to detain Abdulrahman Alfozan, a 35-year-old Saudi national and former OpenAI engineer, accused of planting a concealed audio recorder in an executive conference room at the company's San Francisco office. A prosecution filing says he was in frequent WhatsApp contact in 2025-2026 wit…
A joint advisory (AA26-194a) from NSA, CISA, FBI, DC3 and 15 allied agencies warns that Russian FSB Center 16 cyber actors continue to opportunistically compromise poorly configured and vulnerable networking devices worldwide, primarily routers. The advisory builds on the FBI's August 2025 PSA on the decade-plus campaign and adds TTPs. Go…
ESET documented the evolution of MATCHBOIL, a custom C downloader used by the Russia-aligned cyberespionage group UAC-0099. Samples span April 2024 to April 2026, although CERT-UA first documented the malware in August 2025. Each iteration became more sophisticated, with new obfuscation, sandbox checks and persistence methods. All victims…
The US Department of Justice has charged Abdulrahman Alfozan, a 35-year-old Saudi national and OpenAI engineer, with attempting to intercept oral communications. He allegedly installed a Seeed XIAO ESP32-S3 Sense recorder in a USB port on a TV in OpenAI's executive conference room around September 28, 2026. Staff found the device conceale…
BRONZE SANDCASTLE (written Bronze Sandcastle by thehackernews.com) is a previously undocumented intrusion set disclosed by SophosLabs on 2026-10-21. It is assessed as China-based or China-aligned and has been active since mid-2025 (thehackernews.com). Between August 2025 and August 2026 it compromised victims in the Philippines, Taiwan, A…
Kaspersky's analysis of Operation FlashHole describes a Lazarus Group campaign against South Korea that follows Operation SyncHole. The earliest evidence dates to July 2025, and the campaign was observed in January. At least three organizations in the software, construction and wired communication equipment manufacturing sectors were affe…
Google warns that Armory Castle, a suspected PRC state-sponsored espionage actor, exploited the critical BeyondTrust Remote Support vulnerability CVE-2026-102764 (CVSS 9.3) in August 2026, well before BeyondTrust disclosed it on October 15. The actor escalated privileges to root and established persistent access on compromised appliances.…
A multinational advisory (CISA, NSA, FBI, AIVD, MIVD, NCSC-UK and others) warns that the Russian state-supported APT LAUNDRY BEAR (aka Void Blizzard, TA488) has compromised Western government, defense industrial base and NGO organizations running Zimbra Collaboration Suite (ZCS) since at least July 2025. The campaign uses a view-based XSS…
TrendAI™ (Trend Micro) published its H1 2026 APT Activity Roundup on July 29, 2026. It finds nation-state actors used AI in more stages of the intrusion lifecycle than in any prior half-year the company has tracked. China-aligned actors used generative AI to refine exploits and iteratively build malware through "vibe coding", and one AI a…
Kaspersky analysis of an installer first classified as adware (MD5 c24e99f9437feacaa63766a3cde3fe3d) found that it delivers the ValleyRAT backdoor. The installer drops a modified, signed Chinese wallpaper tool, QN Wallpaper, and uses it for DLL sideloading of a malicious libcef.dll. The adware's advertising function does not work. Attacke…
Mandiant and GTIG attribute exploitation of the critical BeyondTrust Remote Support zero-day CVE-2026-102764 to Armory Castle (formerly tracked as UNC5221), a likely Chinese government-backed espionage group. BeyondTrust dates the first known exploitation to Aug. 29 and says it detected and contained the activity Sept. 28. Only a small nu…
Silent Lynx, tracked as UAT-6275 by Cisco Talos and TAG-193 by Recorded Future Insikt Group, has been linked to a new set of attacks on government organizations across the Commonwealth of Independent States. The activity ran from June 2025 through August 2026 and used four infection chains to deploy custom reverse shells (FoalShell, Chvos…
Palo Alto Networks Unit 42 reports that a suspected advanced actor tracked as CL-STA-0954 (aka UNC5820) deployed a previously unreported memory-resident ARM64 implant, PEERSTITCH, on Fortinet FortiGate firewalls. The group exploited the FortiOS path traversal flaw CVE-2025-61624 for the final stage. The intrusion hit a telecommunications …
Russian firm Solar (a Rostelecom subsidiary) reported a nearly two-year intrusion at an unnamed Russian healthcare organization, attributed to the Belarus-aligned hacktivist cluster Partisan Zmiy (Cyber Partisans). Solar found the compromise in December 2025, but the earliest signs date to early 2024. Unlike the group's usual destructive …
