2026-10-27 · Source：Tom's Hardware
Citizen Lab and Confiant tie Discover-Tech to a campaign spanning nearly 200,000 websites and apps, while TrendAI's SHADOW-EARTH-79 finding adds a second thread — though impressions alone cannot confirm spyware infections.
In countries where Starlink cannot legally operate, one advertising bidder still managed to outbid every competitor for impressions tied to the satellite service.
That is the picture emerging from research by Citizen Lab and Confiant, who linked the activity to Discover-Tech, an Israeli ad tech firm, and described it as suspected surveillance conducted through online advertising. According to the researchers, Discover-Tech outbid all other bidders for Starlink-linked ads in 100 countries.
The scale separates this from ordinary programmatic buying. Discover-Tech's ads appeared across nearly 200,000 websites and mobile apps — a footprint wide enough to give whoever controls the bids broad observational reach. The concern, the researchers said, is that ad auctions are being exploited to track users across sensitive networks, repurposing routine advertising infrastructure as a surveillance channel aimed at a service several governments have formally barred.
A second research team arrived at adjacent territory independently. TrendAI identified related activity under the codename SHADOW-EARTH-79, adding a separate line of evidence to the findings.
One boundary matters: an impression is not an infection. Ad placements alone, the researchers cautioned, do not confirm spyware infections on any device.
The episode exposes a weakness the ad tech industry rarely discusses. Programmatic auctions are built to be invisible and ubiquitous, and those same properties make them a plausible observation layer over networks that governments have tried to wall off. Whether exchanges reassess who may bid on Starlink-linked inventory — and whether regulators begin treating bid data as a security surface in its own right — is the question this research leaves open.
Tags: Discover-Tech · Starlink · Citizen Lab · Confiant · TrendAI · Ad Surveillance
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