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BreachesApr 8, 2026

Alleged Breach of Shanghai Fudan Microelectronics Leaks 175MB of IC Schematics, Internal Documents, and Intellectual Property

Threat actor s1ic3r leaks 175MB of IC schematics and IP from Shanghai Fudan Microelectronics.

Summary

A threat actor known as s1ic3r has publicly leaked 175MB of compressed data allegedly stolen from Shanghai Fudan Microelectronics Group, a major Chinese semiconductor company. The leaked materials include internal corporate documents, integrated circuit schematics, and proprietary intellectual property covering chip designs, VLSI data, and product specifications. The breach poses significant risks to China's domestic semiconductor industry, as leaked schematics could enable reverse-engineering of proprietary designs, identification of hardware vulnerabilities, and competitive intelligence gathering.

Full text

Dark Web Informer - Cyber Threat Intelligence Alleged Breach of Shanghai Fudan Microelectronics Leaks 175MB of IC Schematics, Internal Documents, and Intellectual Property April 8, 2026 - 5:37:13 PM UTC China Semiconductor / Electronics Standalone API Access Now Available High-volume threat-intelligence data, automated ingestion endpoints, ransomware feeds, IOC data, and more. View API Unlock Exclusive Cyber Threat Intelligence Powered by DarkWebInformer.com Stay ahead of cyber threats with real-time breach tracking, expert analysis, and high quality evidence - built for security professionals, researchers, journalists, and everyday people who take their privacy seriously. Subscribe Now Quick Facts Date & Time 2026-04-08 17:37:13 UTC Threat Actor s1ic3r Victim Shanghai Fudan Microelectronics Group Industry Semiconductor / Electronics Category Data Breach / IP Leak Data Size 175 MB (Compressed) Data Type Docs, Schematics, IP Breach Date April 2026 Price Free (Public Leak) Network Open Web Severity Critical Country China Incident Overview A threat actor going by s1ic3r has leaked 175MB of compressed documents, schematics, and intellectual property allegedly from Shanghai Fudan Microelectronics Group, Ltd. (commonly known as Fudan Micro or FMSH). Fudan Microelectronics is a major Chinese semiconductor company specializing in the design, development, and provision of systems solutions for very large-scale integrated circuits (VLSI). The company is publicly traded on the Shanghai Stock Exchange and is a significant player in China's domestic chip industry. The leaked data reportedly includes: Internal Documents: Corporate documentation from the company's operations. Schematics: Circuit designs and technical drawings for integrated circuit products. For a semiconductor company, schematics represent core intellectual property as they contain the detailed design of chip architectures, circuit layouts, and component specifications. Intellectual Property: Broader proprietary technical data beyond schematics, potentially including design specifications, test data, process documentation, and product development materials. The leak of semiconductor schematics and IC design intellectual property from a major Chinese chipmaker carries significant implications. Fudan Micro products are used across smart cards, security chips, RFID, non-volatile memory, and general-purpose microcontrollers. Leaked schematics could enable competitors to reverse-engineer proprietary designs, identify hardware vulnerabilities in deployed chips (relevant for smart card and security chip applications), or gain insight into China's domestic semiconductor capabilities. Compromised Data Categories IC Schematics & Circuit Designs Internal Corporate Documents Proprietary Intellectual Property VLSI Design Data Semiconductor Product Details Image Preview Claim URL Subscriber Access Required The original listing URL and unredacted claim images are available on the Threat Feed and Ransomware Feed for paid subscribers. Subscribe Subscriber Access View the original listing URL and unredacted claim images on the feeds below. Threat Feed Ransomware Feed MITRE ATT&CK Mapping T1190 Exploit Public-Facing Application Targets the semiconductor company's infrastructure to gain access to internal systems containing proprietary IC designs, schematics, and corporate documentation. T1213 Data from Information Repositories Extracts internal documents, circuit schematics, and intellectual property from the company's document management and engineering systems. T1560 Archive Collected Data Packages the stolen semiconductor IP into a 175MB compressed, password-protected archive for free distribution through web forums. T1567 Exfiltration Over Web Service Distributes the leaked intellectual property as a free download with a publicly shared password, maximizing exposure of proprietary semiconductor designs. Dark Web Informer © 2026 | Cyber Threat IntelligenceDarkWebInformer.com

Indicators of Compromise

  • mitre_attack — T1190
  • mitre_attack — T1213
  • mitre_attack — T1560
  • mitre_attack — T1567

Entities

Shanghai Fudan Microelectronics Group (vendor)s1ic3r (threat_actor)Integrated Circuit (IC) Design (technology)VLSI (Very Large-Scale Integration) (technology)