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Monday, April 20, 2026

Privacy Advocate Challenges YouTube's Ad Blocking Detection ... - Slashdot

"Privacy advocate Alexander Hanff has filed a complaint with the Irish Data Protection Commission (DPC) challenging YouTube's use of JavaScript code to detect the presence of ad blocking extensions in the browsers of website visitors," writes long-time Slashdot reader Dotnaught. "He claims that under Europe's ePrivacy Directive, YouTube needs to ask permission to run its detection script because it's not technically necessary. If the DPC agrees, it would be a major win for user privacy." The Register reports: Asked how he hopes the Irish DPC will respond, Hanff replied via email, "I would expect the DPC to investigate and issue an enforcement notice to YouTube requiring them to cease and desist these activities without first obtaining consent (as per [Europe's General Data Protection Regulation (GDPR)] standard) for the deployment of their -spyware- detection scripts; and further to order YouTube to unban any accounts which have been banned as a result of these detections and to delete any personal data processed unlawfully (see Article 5(1) of GDPR) since they first started to deploy their -spyware- detection scripts."

Hanff's use of strikethrough formatting to acknowledges the legal difficulty of using the term "spyware" to refer to YouTube's ad block detection code. The security industry's standard defamation defense terminology for such stuff is PUPs, or potentially unwanted programs. Hanff, who reports having a Masters in Law focused on data and privacy protection,...



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