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RedJuliett is a Chinese state-sponsored cyberespionage group aligned with Beijing and primarily focused on Taiwan. The group has been observed conducting systematic reconnaissance, vulnerability scanning, and attempted exploitation against Taiwanese organizations rather than opportunistic cybercrime. Reported targeting includes a Taiwanese semiconductor company, electronics manufacturers, technology universities, and computing industry associations, with one campaign affecting dozens of organizations in Taiwan. RedJuliett’s activity is consistent with intelligence collection against strategically important technology and industrial sectors, particularly those connected to semiconductor production and the broader computing ecosystem. The actor is publicly identified under the name RedJuliett and is associated with Chinese state interests.
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.
Attributed origin per open-source reporting.
5 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Conducting reconnaissance and attempted exploitation against Taiwanese organizations tied to the semiconductor and broader technology ecosystem, including a campaign targeting 85 Taiwanese organizations.
Beijing-aligned actor targeting Taiwan (espionage context implied).
Beijing-aligned espionage activity cluster targeting Taiwan per excerpt.
Beijing-aligned actor targeting Taiwan (espionage context implied).
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.