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GLASSBRIDGE is a tracked umbrella grouping of four private digital public relations and marketing firms that operate coordinated networks of inauthentic news websites and newswire services. The operation is associated with influence activity aligned with the political interests of the People’s Republic of China, although public reporting has not attributed the campaigns to a specific end customer. The firms collectively created and operated hundreds of websites masquerading as independent media outlets across dozens of countries, often bulk-registering domains and publishing thematically similar content at scale. The network’s core tradecraft centers on spoofing legitimate journalism through imitation local news brands, deceptive editorial presentation, and the use of newswire and syndication services to amplify placement and apparent legitimacy. Content published through these properties has included republished material from PRC state media, client-commissioned press releases, and localized articles copied from legitimate outlets. The campaigns have targeted audiences outside China, including broad international and diaspora audiences, and have also disseminated content associated with DRAGONBRIDGE. GLASSBRIDGE is best understood as a coordinated influence-operations ecosystem rather than a conventional intrusion actor. Its observed capabilities emphasize deceptive media infrastructure, audience targeting, and content distribution rather than malware-enabled compromise. The use of ostensibly independent PR firms provides plausible deniability for the actors directing or benefiting from the campaigns.
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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.
2 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 and community write-ups. News coverage will land here when it surfaces.
No news coverage yet. Advisories and community discussion only.
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.