Most scam on internet.
If scammer want you on phone or email, don't answer call, sent text, or reply email.
If you type link website accidentally when something with error, mistake, update, gift, upgrade, don't answer call, email, or click download software.
Never give personal information such as credit card, password, address, full name, driver license, and other.
If someone try connect Bluetooth device, turn off Bluetooth.
If someone was taking credit card, check on online stop charge.
If something was websites buy store different contact, price, item, or description grammar and spell error, don't buy and cancel. They can trick package. It's recommend for real store like amazon.
If you see something was fake rating reviews, it lie. Scammer write rating review.
If scammer chat on WhatsApp, Messenger, Skype, Google Chat, Microsoft Teams, or other for something for gift, important, or problem, delete message and block. Submit report if something was bad.
If you see email or phone number spoofing and your friend didn't sent email or answer call, move to spam/junk mail or don't answer. Check area code or check email copy header and past message header analyze header
If you have in United State caller, submit Federal Trade Commission donotcall.gov or call 888-382-1222.