Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. A message authentication code (MAC), or tag, is a security code that is typed in by the user ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

We're at a crossroads where authentication protocols and mechanisms need a complete refresh to combat the security breaches involving the exploitation of vulnerabilities, social engineering attacks ...

The use of two independent mechanisms to verify the identity of a user. Two-factor authentication (2FA) is also called "2-step verification" (2SV). There are four factors: #1. What you know (password, ...

Using two or more different forms of identification to authenticate a user. The common single-factor method employs one password. For more security, multi-factor authentication (MFA) adds at least one ...

The USB Implementers Forum today announced the launch of a USB Type-C Authentication program, which is designed to create a cryptographic-based authentication definition for USB-C chargers and devices ...

Key exchange with unilateral authentication (short: unilateral key exchange) is an important primitive in practical security protocols; a prime example is the widely deployed TLS protocol, which is ...