What is biometric authentication?

What is single sign-on (SSO)?

This episode of Techsplainers explores single sign-on (SSO), the authentication approach that lets users access multiple applications with just one login. Building on our previous authentication discussions, we explain how SSO balances security with convenience by eliminating the need for multiple passwords while enabling stronger authentication practices. The podcast walks through how SSO works technically and examines variations including adaptive SSO, federated identity management, and social login options. We also cover the technical standards powering SSO implementations, such as SAML, OAuth, and OpenID Connect. The episode concludes by addressing SSO's potential security risks and explaining why combining it with multi-factor authentication creates an ideal balance of convenience and protection. Find more information at https://www.ibm.com/think/topics/single-sign-on [https://www.ibm.com/think/topics/single-sign-on] Find more episodes at https://www.ibm.biz/techsplainers-podcast [https://www.ibm.biz/techsplainers-podcast] Narrated by Bryan Clark

What is biometric authentication?

This episode of Techsplainers explores biometric authentication, a method of verifying user identity based on who you are rather than what you know or have. Building on our previous discussions of authentication methods, we examine how biometrics offer a compelling alternative to vulnerable passwords by using unique physical characteristics like fingerprints, facial features, and iris patterns. The podcast details both physical and behavioral biometrics, such as typing patterns and gait analysis, while explaining how these systems work. We also discuss multimodal biometric authentication, which combines multiple methods for enhanced security. With stolen credentials among the most common attack vectors, biometric authentication provides organizations with stronger security that's also more convenient for users. Find more information at https://www.ibm.com/think/topics/biometric-authentication [https://www.ibm.com/think/topics/biometric-authentication] Find more episodes at https://www.ibm.biz/techsplainers-podcast [https://www.ibm.biz/techsplainers-podcast] Narrated by Bryan Clark

What is MFA (multifactor authentication)?

This episode of Techsplainers explores multifactor authentication (MFA) as a critical defense against account compromise and identity theft. Building on our previous authentication discussion, we examine how MFA requires multiple types of evidence to verify identity—from something you know (passwords) and something you have (security tokens) to something you are (biometrics) and something you do (behavioral patterns). The podcast explains why using different types of factors provides stronger security than multiple factors of the same type, while highlighting modern implementations like adaptive MFA that adjusts security requirements based on risk assessment. As organizations face increasing threats from compromised credentials, MFA offers a powerful security enhancement that remains effective even if passwords are stolen. Find more information at https://www.ibm.com/think/topics/multi-factor-authentication [https://www.ibm.com/think/topics/multi-factor-authentication] Find more episodes at https://www.ibm.biz/techsplainers-podcast [https://www.ibm.biz/techsplainers-podcast] Narrated by Bryan Clark

Authentication vs. authorization: What’s the difference?

This episode of Techsplainers explores the fundamental difference between authentication and authorization in cybersecurity. Authentication verifies who you are—using factors like passwords, security tokens, or biometrics—while authorization determines what you're allowed to do once your identity is confirmed. We examine how these complementary processes work, from simple password logins to sophisticated multi-factor and adaptive authentication systems. The discussion covers various authorization frameworks including role-based, attribute-based, mandatory, and discretionary access controls. As identity-based attacks are one of the most common attack vectors today, understanding how these systems work together has never been more important for defending organizations against credential theft and account abuse. Find more information at https://www.ibm.com/think/topics/authentication-vs-authorization [https://www.ibm.com/think/topics/authentication-vs-authorization] Find more episodes at https://www.ibm.biz/techsplainers-podcast [https://www.ibm.biz/techsplainers-podcast] Narrated by Bryan Clark

What is straight-through processing?

This episode of Techsplainers introduces straight-through processing (STP), a methodology that automates business transactions from initiation to settlement without human intervention. We explore how STP works through a practical example of a grocery chain ordering tomatoes, where inventory systems automatically detect needs, validate orders, enrich data, route payments, and handle fulfillment and settlement. The episode highlights STP's significant benefits, including improved accuracy, lower costs, faster processing, better scalability, enhanced customer satisfaction, and stronger security and compliance. We also address implementation challenges like legacy systems integration and explore how emerging technologies such as iPaaS, artificial intelligence, blockchain, and robotic process automation are shaping STP's future. Learn more about straight-through processing at https://www.ibm.com/think/topics/straight-through-processing [https://www.ibm.com/think/topics/straight-through-processing] Find more information at https://www.ibm.biz/techsplainers-podcast [https://www.ibm.biz/techsplainers-podcast] Narrated by Patrick Austin