What is yubikey macau?
The YubiKey is a hardware authentication device manufactured by Yubico that supports one-time passwords, public-key encryption and authentication, and the Universal 2nd Factor (U2F) and FIDO2 protocols developed by the FIDO Alliance. Yubikey is a physical key to open your applications / access your online services. Using yubikey, you don’t need to use username/passwords to access all of your applications, dramatically reduces phishing attacks and risks from password theft.
How? buy one at https://atec-data.com yubikey Macau, then register the key at yubico.com, then login your application (Google mail, Microsoft account etc..) to register the key, those service providers will create a virtual lock for your key (private, public key encryption stuffs), then voilà! besides door to your house and treasure boxes, now you have a very secured key to all of your precious data vaults.