I saw an article awhile ago that the police just straight up bought ad-network data about someone they were prosecuting without needing a warrant. Is there anyway to know what info ad networks have on me out there?
I know there are databrokers you can query to see what they have kn you, but those are all public records from I could find so far
I guess it depends where you are situated.
Some countries have protections that you can just “ask” a particular site what data they have collected on you. I think that’s as private as it can go.
Another option are those “shady” data brokers. John Oliver did a segment before on how he got some “public” data to possibly ID US lawmakers.