How Security Keys Work?
- Setup: First, you register the security key with the online service you want to protect (like your email or bank account). This involves inserting the security key into your computer or connecting it via Bluetooth or NFC, and following a setup process that links the key to your account.
- Login: When you want to log into the protected service, you’ll start by entering your username and password as usual.
- Authentication: After entering your password, instead of immediately gaining access, you’ll be prompted to insert or connect your security key. The key checks if the website is genuine and not a fake site trying to steal your information.
- Verification: The security key communicates with the online service, confirming your identity by using a unique digital signature. This signature is only valid for the specific security key and cannot be replicated easily.
- Access Granted: If the information matches and the authentication is successful, the service grants you access to your account. If someone doesn’t have your security key, they won’t be able to log in, even if they know your password.
What is a Security Key? Working and Advantages
A security key is a physical USB drive that you may attach to your devices, such as desktops and laptops, to authenticate your identity and gain access to specified network services.
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