What is the difference between an OTP and a Passkey? How can account security be improved?
Which is more secure—an OTP or a Passkey? Learn the key differences between the two, how they help protect against phishing, and what you should keep in mind to keep your online accounts secure.
The way we log in to online accounts is changing. While it was once necessary to remember passwords, we now have options like OTPs (sent to mobile devices) and Passkeys (which can use fingerprints). These methods aim to make accessing accounts easier while simultaneously enhancing security; however, there is a significant difference between the two. Given the evolving tactics used in cyber fraud, it is important to understand which method offers better protection against threats like phishing. Let’s explore the differences between an OTP and a Passkey, and how they contribute to better account security.
How does an OTP work?
An OTP, or One-Time Password, is a code used for a single login session or to verify a transaction. It is typically delivered via SMS, email, or an authenticator app. This provides an extra layer of security for your account, even if your primary password has been compromised. However, the level of security an OTP offers depends on how the code is generated and delivered. Codes sent via SMS can be vulnerable due to risks like SIM swapping or network-related weaknesses. Furthermore, if you enter an OTP on a phishing website, cybercriminals can use it to log in to the legitimate website.
What is a Passkey?
A Passkey is a way to log in without a password. It allows users to verify their identity using a fingerprint, facial recognition, or a device PIN. This technology is supported by major tech platforms, including Apple, Google, and Microsoft. When a Passkey is created, the device generates a pair of cryptographic keys: a public key, which is held by the website, and a private key, which remains securely stored on the user's device. During login, authentication is performed using a private key, which is never shared with the website. This offers better protection against phishing compared to OTPs.
What is the main difference between an OTP and a Passkey?
With an OTP, you must receive a code and enter it manually; in contrast, a Passkey requires you to authenticate yourself directly on your device. OTPs rely on the SMS network, which can sometimes lead to delays in receiving the code. With a Passkey, there is no need to wait for such a code, though it does require having the appropriate device or a synchronized setup. It is also important to have backup and recovery options in place to maintain access to your account in the event that you lose your phone or laptop.
How can account security be improved?
Whenever the option is available, it is advisable to use a Passkey. If you are using an OTP, never share the code with anyone else, and ensure you have a secure backup for account recovery. Additionally, it is essential to maintain robust security settings and a reliable recovery process to keep your account protected.
