Authentication Protocols

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1. What are authentication protocols?

Authentication protocols are structured sets of rules that determine how identities are verified in digital systems. They ensure that a user or device is who they claim to be before granting access to a network, system, or application. These protocols use credentials like passwords, biometrics, or cryptographic keys to establish trust and protect against unauthorized access.

2. What are the four types of authentication?

There are four common types of authentication, often enforced through different authentication protocols:

1. Password-based authentication – The user provides a secret string, like a password or PIN.
2. Multi-factor authentication (MFA) – Combines two or more methods (e.g., password + OTP).
3. Biometric authentication – Uses unique biological traits such as fingerprints or facial scans.
4. Token-based authentication – Involves security tokens or apps that generate time-sensitive codes.

Each type improves security by reducing reliance on a single verification method.

3. What is the authentication process in a call center?

In a call center, the authentication process refers to how agents verify a caller’s identity before disclosing sensitive information or allowing account access. This is a critical part of maintaining customer privacy, complying with regulations (like PCI DSS or HIPAA), and preventing fraud.

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