Loading threat actor…
s1ic3r is a threat actor name associated with a 2026 public leak of proprietary data allegedly stolen from Shanghai Fudan Microelectronics Group, a Chinese semiconductor company. The exposed material reportedly included internal corporate documents, circuit schematics, VLSI-related design information, and other intellectual property tied to semiconductor products and development. The operation is notable for targeting sensitive technical data rather than deploying ransomware, with the stolen information reportedly released publicly at no cost. Available reporting supports characterizing s1ic3r as an intrusion-and-leak actor engaged in data theft and public disclosure of stolen intellectual property. Observed behavior indicates collection of data from internal repositories, archiving of stolen material, and exfiltration over web-based channels, followed by open publication of the data. The victim profile in this case points to interest in semiconductor and electronics intellectual property, including chip design and related engineering documentation. At present, there is insufficient high-confidence information to attribute s1ic3r to a specific country, state sponsor, or broader intrusion cluster, and no corroborated evidence in the available facts establishes additional aliases, sub-groups, or a wider campaign history. The dominant apparent motivation in the observed activity is espionage-oriented theft and exposure of valuable technical information.
Mallory correlates actor tradecraft and target patterns against your stack, your sector, and your geography. See overlap before they land.
Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Sectors the actor has been observed targeting.
Geographies tied to known operations.
4 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
1 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Match sector + geo + tech-stack targeting against your real footprint.
Every observed MITRE ATT&CK technique, grouped by tactic.
Families this actor is known to deploy, with IOCs and behavior.
CVEs this actor has used in known campaigns.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Domains, IPs, and hashes tied to this actor, refreshed continuously.