# EU, US lawmakers scrutinize adtech-enabled spyware

Published: 2026-10-28 · Severity: elevated · Sectors: Government (National) · Not tied to an actor or CVE
Canonical: https://vorant.io/reports/cf279550-f60a-5597-9f3e-efd8aed50cfd/eu-us-lawmakers-scrutinize-adtech-enabled-spyware
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> European and US lawmakers call for investigation after Citizen Lab findings on zero-click spyware delivered via targeted advertising.

Source: citizenlab.ca — https://citizenlab.ca/politicians-in-u-s-and-e-u-say-targeted-ads-are-a-security-risk

## What to check

- Applies to: Not tied to a specific actor, malware or CVE, only to the sectors it covers, so it may be general reporting. Check the source before acting on it. Whether it concerns you is not assessed.

This article reports political reaction to prior Citizen Lab research showing that online targeted advertising infrastructure can be exploited to deliver zero-click spyware against targets. Members of the European Parliament sent a letter urging the EU to investigate whether its own institutions are exposed to this risk, while US Senators Cory Booker and Ron Wyden stated the findings highlight the need for stronger security practices across the advertising technology industry.

The piece itself provides no new technical detail on the spyware, the adtech mechanisms involved, affected vendors, or indicators of compromise beyond referencing the earlier Citizen Lab findings. It is primarily a policy and oversight development rather than new threat research, documenting calls for regulatory investigation and industry accountability rather than disclosing new attack techniques.

Source reporting: https://citizenlab.ca/politicians-in-u-s-and-e-u-say-targeted-ads-are-a-security-risk

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