https://www.norton.com/ is a reputable site. Their products/services are not a scam. https://us.norton.com/about-norton
https://community.norton.com/en
You might have somehow come into contact with a fake tech support scam...
Have a look at
- https://www.bleepingcomputer.com/virus-removal/remove-the-fake-norton-security-scan-scam
- Remove Fake pop-up or tech support scam messages ... - Norton
Also see: How tech support scams work
If you think you have been scammed:
Inform your bank, change passwords, remove remote access etc etc.
> Getting help if you have been scammed
Much more infos etc below.
Some related and official Microsoft articles:
- Protect yourself from tech support scams especially What to do if a tech support scammer already has your info
- Tech support scams
- www.microsoft.com/reportascam
- Protect yourself from online scams and attacks
Other non-Microsoft, but very good articles worth reading: