this post was submitted on 15 Jul 2024
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Privacy Guides

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In the digital age, protecting your personal information might seem like an impossible task. We’re here to help.

This is a community for sharing news about privacy, posting information about cool privacy tools and services, and getting advice about your privacy journey.


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Check out our website at privacyguides.org before asking your questions here. We've tried answering the common questions and recommendations there!

Want to get involved? The website is open-source on GitHub, and your help would be appreciated!


This community is the "official" Privacy Guides community on Lemmy, which can be verified here. Other "Privacy Guides" communities on other Lemmy servers are not moderated by this team or associated with the website.


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[–] [email protected] 52 points 1 month ago (16 children)

I think there is a big misunderstanding about this feature. People are throwing their arms up in disappointment but in reality this is a helpful feature for privacy.

This post doesn't even explain what the feature is or how it works. If you take the time to go read what the feature actually does, you'll see it's a good feature to have and it really does improve your privacy when you don't have an ad blocker.

Just because Meta participated doesn't mean it's bad. If they only participated as consultants to understand the advertisement system so they can better protect us against it, it's not bad.

[–] [email protected] 31 points 1 month ago (11 children)

From my understanding of their implementation, you have to give a Mozilla server all of your traffic history, and then they feed a curated, sanitize topic list of that activity to the advertisers.

So now we're trusting Mozilla with your full browsing history, that seems like a really bad idea. Even if I love and trust Mozilla, I don't want to add yet another thing to the critical path

[–] [email protected] 24 points 1 month ago (1 children)

PPA does not involve sending information about your browsing activities to anyone. This includes Mozilla and our DAP partner (ISRG). Advertisers only receive aggregate information that answers basic questions about the effectiveness of their advertising.

Source.

[–] [email protected] 15 points 1 month ago

https://datatracker.ietf.org/doc/html/draft-ietf-ppm-dap#name-security-considerations

The explicitly say if the aggregator is controlled by hostile party, and in my scenario that would be Mozilla, they could have full access to the deanonymized data. It's out of scope for their protocol.

And while the DAP draft is nice, it doesn't change my threat model, it just introduces extra steps. As the absolute hunger of AI inputs for models have shown us, if a company has the capability to get data, they will. Mozilla has demonstrated they are hungry for data and money. I don't want to give them the capability

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