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Stay off LinkedIn.
Good thing I've never made a post on LinkedIn. The only thing I've done is search for jobs on there
attacks like this are just correlation/looking for distinct high info signals. Lemmy is if anything even more vulnerable via federation. But you knew that, because you read the article and didn't just reply like a 5 year old struggling against the irresistible call of a marshmellow.
When's the last time you put your real name, current location, employer, coworkers and work history on Lemmy?
I didn't say that.
Lemmy, and all federated socmed, is much easier to data mine. The way you talk, the spelling mistakes you make, when you post etc can all be used to locate you and demographically identify you and lemmy replicates everything, even posts you delete or edit, to anyone federated.
Getting on LinkedIn don't fix that.
Do you talk to people like this in real life?
It's mentioned in the article but we live in an age of anti intellectualism and apparently nobody reads. People have been able to do this with high accuracy for a long time, like at least 10 years.
This just requires less expertise.
Are there any ways to do this for free?
This is a very misleading headline, this isn't really possible with people who use good OPSEC, and yes that means sharing identifiable information on LinkedIn. Also the developers aren't showing their work claiming it will be misused. Which leads me to believe this is a combination of people having really bad OPSEC and also fearmongering.
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