What can people do with your IP? Should you be worried? or What can people do with your IP? Risks and

What can people do with your IP? A lot if they’re motivated, but most aren’t.

They could DDoS you, try to phish, or just be a nuisance.

VPNs are good, but also check your router settings—disable UPnP if it’s on.

For testing, use dnsleaktest.com to see if your VPN is actually hiding your IP.