What Is Passkey? | Passwordless Login | Jpress
Passwords have been an essential part of digital security for decades, but we have to admit that they are far from perfect. They are often weak, reused, easily forgotten, and vulnerable to phishing attacks. As our online lives expand, the need for better, more secure ways to log in grows. But what exactly is a passkey? Let’s find out why tech giants like Apple, Google, and Microsoft are promoting it so heavily.
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What Is Passkey?
A passkey is a digital credential that allows you to sign into apps and websites without needing to remember or type a password. Instead, it uses a combination of public key cryptography and biometric authentication (like Face ID or your fingerprint) to verify your identity.
Here’s how it works:
- A private key stays securely on your device.
- A public key is stored on the website or service you’re logging into.
When you attempt to sign in, your device proves who you are by signing a one-time challenge using your private key. The service then verifies this using the stored public key.
Since the private key never leaves your device and is never shared, this method offers much stronger protection against phishing and other cyber threats.
How Do You Use Passkeys?
Using a passkey is simple and intuitive. Instead of typing a password, you just:
- Use your rint or face to authenticate (via Face ID, Touch ID, etc.)
- Or enter your device PIN
Passkeys can sync across your devices using encrypted cloud backup services like iCloud Keychain (Apple) or Google Password Manager. This means if you create a passkey on your phone, you can use it on your laptop, tablet, or even another platform.
Why Passkeys Are More Secure
Passkeys solve many of the problems that make traditional passwords risky. Here’s what makes them stand out:
- No phishing: There’s no password to steal, so phishing attacks don’t work.
- No reuse: Each passkey is unique to an app or website.
- No database leaks: Even if a site is hacked, your private key isn’t stored there.
- No password fatigue: You don’t need to remember anything!
This makes passkeys not only more secure but also more convenient for users and developers alike.
Final Thoughts
If you’ve ever struggled with managing passwords or worried about online security, passkeys are the solution you’ve been waiting for. With growing industry support and user-friendly design, passkeys are set to become the new standard for online logins.
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