How much does periodic password rotation or character-class enforcement actually help? A look at the numbers: leak probability, entropy, and user behavior.
Google officially ships Device Bound Session Credentials (DBSC) to all Windows users in Chrome 146. By locking private keys inside the TPM, stolen cookies become useless on any other device.
How to build two-factor authentication with a TOTP app such as Google Authenticator. Includes an explanation of the mechanism and a TypeScript implementation example.
Using character voting as an example, this article explains the design and implementation of voting-right patterns such as time limits, social-login auth, and serial codes.
