Hi the picture below has been taken here,
I've never seen such a spider, is it an invasive specie or a dangerous one?
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That appears to be a zebra jumping spider (Salticus scenicus). It is fairly widespread throughout North America. It does not post any kind of threat to people or to the environment:
And here is a gallery of photos you can view: https://inaturalist.ca/taxa/68901-Salticus-scenicus/browse_photos