We help companies in areas like payments/account fraud where there are constant bots / rings / account takeover attacks, and this is both good advice... and _really_ hard.
To cycle against entity resolution tools for a regular company, that'd mean things like full simultaneous reset of:
* cookies
* browser user agent
* potentially sequence of sites/services you use
* IP address/location
* linked accounts
* contact info
Even one miss/overlap can void your efforts.
The big sites have much more to work with than that, making it especially hard. Likewise, if a team takes a specific interest, there are even more correlations that can be done, e.g., behavioral analytics.
Yes absolutely, fingerprinting an individual is easy and avoiding that as a user is hard.
Social media sites (Facebook products) might drive ads based on fingerprinting but they aren't re-linking social graphs this way. Sticking with the reliability of shared phone numbers and emails (and people friending/inviting the same people and having the same name theyve seen before)
To cycle against entity resolution tools for a regular company, that'd mean things like full simultaneous reset of:
* cookies
* browser user agent
* potentially sequence of sites/services you use
* IP address/location
* linked accounts
* contact info
Even one miss/overlap can void your efforts.
The big sites have much more to work with than that, making it especially hard. Likewise, if a team takes a specific interest, there are even more correlations that can be done, e.g., behavioral analytics.