Many services use two-factor authentication nowadays, where your phone or email address gets sent a code that you must enter as part of the login process into an online service. These codes are one ...

1 Shanghai Key Laboratory of Integrated Administration Technologies for Information Security, School of Computer Science, Shanghai Jiao Tong University, Shanghai, China 2 National Key Laboratory of ...

HMAC stands for Hash-Based Message Authentication Code. It is a security mechanism used to verify the integrity and authenticity of a message exchanged between a client and a server.

The new QR code-based key authentication feature is available to ensure you’re communicating with the person you want to communicate with. Once the feature is available, you can access details by ...

Do you receive login security codes for your online accounts via text message? These are the six- or seven-digit numbers sent via SMS that you need to enter along with your password when trying to ...

We've probably all received confirmation codes sent via text message when trying to sign into an account. Those codes are supposed to serve as two-factor authentication to confirm our identity and ...

A major security incident has come to light involving the exposure of one million two-factor authentication (2FA) codes, revealing vulnerabilities in the authentication system widely used by major ...

Update, Feb. 26, 2025: This story, originally published Feb. 23, now includes additional commentary regarding the potential security implications of the decision to deprecate SMS from the Gmail ...

Google is now planning to phase out the use of SMS authentication for Gmail, and the company is looking towards using other methods that are far safer and more convenient than text messages. Various ...

The change will roll out in the coming months and help reduce fraud and spam while improving security. The change will roll out in the coming months and help reduce fraud and spam while improving ...