Avast will shut down its marketing subsidiary Jumpshot following controversy over selling user data to third parties - ZDNet

https://www.zdnet.com/article/avast-winds-down-jumpshot-with-immediate-effect-cites-user-data-sales-and-privacy-concerns/

A joint investigation conducted by Motherboard and PCMag, published this week, revealed that information scraped by Avast from users and handed over to Jumpshot is linked to individuals through a unique ID in an effort to anonymize them — but it is possible to pick apart data strings to de-anonymize users and reveal their identity, tracing their online footprint, browsing habits, and purchases.