How do they have handle identity thefts, spams, etc.?

There are so many ways to misuse these data. Are the residents not concerned about this?

The root cause of identity theft in USA and some other places is the lack of "proper" national identity and the associated use of various personal "secrets" (not that secret) for identity verification because there are no good easy other ways.

Businesses in Scandinavia and many other countries would not treat someone knowing your personal information as any evidence of identity (because it's not); having all that information is not sufficient to impersonate you there - identity theft does happen but it would require stealing or forging physical documents or actual credentials to things like bank accounts; knowing all of what your mother or spouse would know is not enough to e.g. get credit or get valuable goods in your name.

"Identity theft" is newspeak right up there with "intellectual property". It serves the sole purpose of diminishing real theft. If someone says "we gave all your money to this other guy, but it's not our fault because he had stolen your identity" doesn't make it so. There are cases of mistaken identity, and with criminal intentions, but there is also an enormous majority of not checking identity because someone was lazy.

Just knowing someone's name, address, and ID number isn't enough to like, open a bank account in their name or such. You'd need a proper ID card or passport for that. Similar thing with most businesses if you try to pay for some product with credit, they won't accept just a few digits and a pinky promise, you'll need to identify yourself properly (the BankID app for instance).

We just change our identity every three years or so.

https://www.youtube.com/watch?v=BK2gKuqbOHo

> How do they handle identity thefts

By just accepting it as a normal fact of life that you will have some random stuff ordered in your name sooner or later with an invoice you'll have to dispute. Happened to a relative of mine, police do not care unless they order things above a certain value, without a police report you cannot get free ID protection, and then you'll have to sit for a long time in phone queues trying to cancel a subscription for a streaming service or whatever they ordered while get thrown around by support reps who go "you SURE you or someone in your family didn't order this?"

It's just a unique ID of a person, it's not a password. I don't see how you can be confused by this.