Profile – Discover CIAM

IAM

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IAM, shorthand for Identity and Access Management, focuses on software application identities and the access-control/management associated with them. Whilst IAM typically refers to enterprise-class (user) identity and access management, CIAM is the term given to the branch that deals specifically with Customer identities typically associated with B2C and B2B SaaS applications.

Find out more about the various aspects of CIAM by visiting Discover/CIAM.

Web front-end

A browser-based implementation using HTML, CSS and Javascript, optionally via frameworks such as React, Angular and/or Vue.

Web backend

A server-side implementation using a language such as PHP, Ruby, Python, C#, and the like, typically in conjunction with an associated web framework such as Laravel, Rails, Flask, .NET, etc.

Passkeys

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By replacing traditional passwords with cryptographic keys, Passkeys — a discoverable WebAuthn credential — address many of the vulnerabilities that’ve plagued password-based systems for years, ushering in a new future for user authentication.

Find out more about Passkeys at: Discover/CIAM/Passkeys.

OAuth 2.0

OAuth 2.0 stands for Open Authorization (version 2.0) and is a standard designed to allow a website or application to access resources hosted by other web-based systems, on behalf of a user. It leverages the concept of an Authorization Server and replaced OAuth 1.0 in 2012 to become the de facto industry standard for what is often referred to as delegated authorization.

You can learn more about OAuth 2.0, and the role of an Authorization Server, in the article at: Discover/CIAM/OIDC, SAML and OAuth 2.0

OpenID Connect

Developed by the OpenID Foundation, OpenID Connect – a.k.a. OIDC – is an interoperable authentication protocol based on the OAuth 2.0 framework of specifications (namely, IETF RFC 6749 and 6750). It provides a simplified way to verify the identity of users based on the authentication performed by an Identity Provider (otherwise known as an IdP) and allows user profile information to be obtained in an interoperable and REST-like manner.

You can learn more about OpenID Connect, and the role of an Identity Provider, in the article at: Discover/CIAM/OIDC, SAML and OAuth 2.0

Desktop Discoverer

The Desktop Discoverer designs, builds and/or maintains Desktop Apps – supporting user interaction via a GUI and/or Command Line interface – leveraging native functionality, and optionally web-based integration, to provide user experiences that typically consume (first-party) APIs and/or BFF implementations.

Mobile Maestro

A Mobile Maestro designs, builds and/or maintains Mobile Apps, leveraging native platform functionality and (optionally) web-based integration, to provide user experiences that typically consume (first-party) APIs and/or BFF implementations.

Web Warrior

A Web Warrior is someone who designs, builds and/or maintains web-based applications that run either wholly in the browser – a.k.a. a SPA – or via a combination of both browser and backend technologies (also referred to as a Web App or Regular Web Application).

IoT Icon

An IoT (Internet of Things) Icon, designs, builds and/or maintains embedded code that runs as part of IoT devices — that need to access first-party APIs either on behalf of a user or without any user interaction at all.

Service Supremo

The Service Supremo, designs, builds and/or maintains backend services that don’t require user interaction but that do need to safely and securely communicate with other services and (first-party) APIs.

API Angel

The API Angel designs, builds and/or maintains the first-party APIs at the heart of modern Software-as-a-Service (SaaS) solution architecture, and needs the best way to protect these when accessed by either third-party and/or first-party applications.

User

A user represents the consumer of a (SaaS) application and is the lifeblood of the commercial success of any B2C or B2B SaaS application. User identity ensures that the right access is provided to the right person at the right place and time, as well as used to describe habits, preferences and how they subscribe.

Service

A service is a typically automated operation performed by a machine rather than a user. Service identity is used to determine the right level of access, ensuring that data is only made available to trusted parties that are authorized to use it.

SPA

A Single-Page Application, commonly referred to as a SPA, is a public client web application that interacts with a user by dynamically rewriting a single web page. Unlike regular web applications, SPAs don’t have a dedicated web backend typically leveraging resources statically and/or dynamically using a BFF or an API.

Web Application

A Web Application, also known as a Web App, Website, or regular web application, is confidential client software created using web-oriented technologies and commonly distributed via a web server. Web applications typically comprise a user-oriented web front-end together with a corresponding web backend. Whilst similar in appearance to a SPA (Single Page Application), a regular web application and a SPA differ from a client confidentiality perspective, primarily due to the fact that the former leverages a web server backend while the latter typically does not.

Mobile App

Mobile Apps run natively on platforms such as Android or Apple (i.e. iOS, WatchOS, VisionOS, etc). They are public clients typically built using native platform languages such as Swift, Kotlin, or Java, and can also leverage web technologies and frameworks — such as React — both natively and within an (embedded) browser context. Mobile Apps typically use BFFs or APIs for user-oriented data access and management, and can also have specific UI challenges that require less conventional methods for Authentication and Authorization.

Desktop App

Desktop Apps, a.k.a. Desktop Applications, run natively on platforms such as Windows, MacOS and Linux. They incorporate command-line and/or graphical user interfaces (a.k.a. GUIs) and are public clients built using native platform languages and technologies. Like Mobile Apps, Desktop Applications can optionally leverage web technologies and frameworks — both natively and within an (embedded) browser context — and similarly, BFFs or APIs are used for user-oriented data access/management, et al.

Backend

A Backend — also referred to as an Application Backend, Backend Server, or just Server — provides a secure confidential client context in which application software can execute. Backends come in various shapes and sizes (such as web servers, database servers, etc), all with the common attribute that they are protected from direct user access and typically implemented with the highest level of trust.

BFF

A Backend-for-Frontend, otherwise referred to as a BFF, is a pattern whereby a dedicated backend is explicitly created for a specific set of frontend functionality — typically associated with security-sensitive, critical operations. BFFs are normally used with SPA and/or Mobile/Desktop Apps, however, they can easily be utilized in other situations too.

API

An API, otherwise known as an Application Program Interface, refers to backend implementation allowing systems to communicate in a consistent manner over an HTTP interface. The term Resource Server is often used to refer to an API used to provide access to (protected) resources associated with a user, and the term API-First Design is often used to refer to software architectural design that centres around the API.

Identity Provider

Video courtesy of Auth0 by Okta

For security protocols like Open ID Connect (otherwise known as OIDC) and SAML, an Identity Provider – a.k.a. an IdP – is typically a web-based server/service that performs the role of verifying user credentials and, optionally, establishing and maintaining the SSO session for a user.

You can learn more about OIDC, SAML, and the value of SSO, at: Discover/CIAM/OIDC, SAML and OAuth 2.0.

MFA

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Otherwise referred to as Multi-Factor Authentication or Two-Factor Authentication, MFA (a.k.a. 2FA) is where additional factors — such as an electronic device and/or biometric method — are used in conjunction with a more traditional first-factor authentication mechanism, e.g. User ID and Password. In MFA scenarios, only after successfully presenting two or more pieces of evidence — a.k.a. factors — would the requisite level of authentication be achieved.

Find out more about MFA at Discover/CIAM/MFA.

SAML

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SAML is an acronym that stands for Security Assertion Markup Language and is an open standard developed primarily for authentication within an enterprise environment. SAML is based upon the Extensible Markup Language (XML) format and delivers functionality, via established trust, that enables a user to access multiple applications using one set of login credentials (more commonly referred to as SSO).

You can learn more about SAML at: Discover/CIAM/Federation

Authentication

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Authentication is the process of identifying access to a system to secure functionality and is almost always the prerequisite for any other type of CIAM operation.

More information about Authentication is available at Discover/CIAM/Authenticate.

CIAM

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Customer Identity and Access Management, abbreviated as CIAM, is a form of IAM that focuses on the consumer identities that access applications.

Find out all about CIAM by visiting Discover/CIAM.

ID Token

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An ID Token is a JWT format security artefact generated when using the Open ID Connect (a.k.a OIDC) protocol and is used to indicate the authentication state of a user. The token is consumed by an application and used to build the authenticated user session as well as inform (basic) characteristics about the authenticated user.

Read more about OIDC and the role of the ID Token read the article: Discover/CIAM/OIDC, SAML and OAuth 2.0.

Access Token

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An Access Token is a security artefact generated when using the Open Authorization 2.0 (a.k.a OAuth 2.0) protocol and is used to allow consented access to a user’s resources. The token is used (though not consumed) by an application when calling a resource server — otherwise referred to as an API — which, in turn, consumes the token provided to determine if the application has been granted access on behalf of the authenticated user.

Read more about OAuth 2.0 and the role of the Access Token in the article: Discover/CIAM/OIDC, SAML and OAuth 2.0.

WebAuthn

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The Web Authentication API (also known as WebAuthn) specification — written by the W3C and FIDO, with the participation of Google, Mozilla, Microsoft, Yubico, and others — allows servers to register and authenticate users using public key cryptography instead of passwords.

Find out more about WebAuthn at: WebAuthn.Guide.

PKCE

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PKCE, or Proof Key for Code Exchange, is an Authorization Code grant/flow extension designed to mitigate authorization code interception attacks and is particularly intended for use with public clients (i.e. Mobile Apps, Single Page Applications, etc).

JWT

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A JSON Web Token — otherwise known as a JWT (pronounced “JOT”) — is an open standard (RFC 7519) that defines a compact and self-contained way for securely transmitting information between parties in the form of a JSON object.

FIDO

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The FIDO (Fast IDentity Online) Alliance is an open industry association with a mission focused on reducing the world’s reliance on passwords. To accomplish this, FIDO promotes the development of, use of, and compliance with standards — e.g. FIDO2 — for authentication and device attestation.

Delegated Authorization

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In OAuth 2.0, Delegated Authorization allows a user to grant a (third-party) client — e.g. an application — access to their protected resources on a resource server, enabling the client to act on the user’s behalf without the user needing to reveal their credentials.

Read more about delegated authorization and the value it provides at: Discover/CIAM/Consent

Discoverable Credentials

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A discoverable credential is a type of FIDO2/WebAuthn credential that allows users to log in without needing to enter either a username or a password, as sufficient user credential information is stored on the authenticator (e.g., security key, device or browser).

OTP

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OTP stands for One-Time Password/Passcode and is commonly used as a passwordless authentication mechanism where a (password) security credential is valid for a single use. An OTP is similar to an OTC — a One-Time Code — and an OTL, a.k.a. One-Time (Magic) Link, in that each is only valid for one-time use. OTPs, OTCs and OTLs also come in timed varieties, i.e. TOTPs, TOTCs and TOTLs, where the password, code and/or (magic) link is also only valid for a certain duration.

Discover more about OTPs, OTCs and OTLs in the article entitled: Passwordless OTP and Magic Link Scenarios.

Device-bound Passkeys

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A device-bound passkey is a FIDO2 credential that is typically stored on physical security keys or hardware modules and is tied to a single device — meaning it cannot be copied or shared across multiple devices.

SaaS

Software-As-A-Service — more commonly known as SaaS — is a software delivery and licensing method in which software is accessed online via a subscription, rather than bought and installed on individual computers. SaaS solutions commonly come in two forms, B2C and B2B, representing the consumer audience to which they are targeted.

Discover more about SaaS CIAM in the article entitled: B2C and B2B SaaS Authentication Architectures

ReBAC

Relationship-Based Access Control — more commonly referred to as ReBAC — is a method of control that restricts access based on the particular relationships established between one or more users and/or other entities. ReBAC can be used in conjunction with other methodologies, such as RBAC or ABAC, to create rich access control strategies.

Discover more about ReBAC in the article entitled: Access In A Controlled Manner

PII

Personally Identifiable Information, otherwise known as PII, refers to any data that can be used to identify or contact a specific individual, either alone or in combination with other data. What does and does not constitute PII is largely defined by the regulatory compliance (such as GDPR) active in a particular country/region, and subject to the statutes defined therein. However, in most cases, things like Full Name, Email and Postal Address, Social Security Number and Phone Number are all considered PII data for a user.

Man In The Middle

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A Man In The Middle — also referred to as MITM — is a type of cyber attack, where an attacker intercepts and potentially alters communications between two legitimate parties, making them believe they are communicating directly with each other (when actually they are communicating with an illegitimate system).

Role Based Access Control

Role Based Access Control — known more commonly as RBAC — is a method of control that restricts access based on the particular role(s) assigned to a user. RBAC can be used in conjunction with other methodologies, such as ReBAC or ABAC, to create rich access control strategies.

Discover more about RBAC in the article entitled: Access In A Controlled Manner

Social Authentication

Social Authentication — a.k.a Social Login — allows the use of identity providers such as Google, Microsoft, Facebook, LinkedIn, X, etc to authenticate users, whilst also providing consented access to the profile information they store about that user.

Read more about social authentication and the value it provides at: Discover/CIAM/Social

SSO

SSO is short for Single Sign On — a term typically used for the mechanism where an existing authenticated user session can be used to mitigate interactive first-factor authentication (a.k.a interactive Login). SSO can also refer to situations where a user has more than one identity, and not only provides ease of use but also facilitates consistency when it comes to user profile management.

Read more about SSO and the value it provides at: Discover/CIAM/SSO

B2B

B2B – better known as Business-to-Business – refers to the process of businesses selling products and services directly to other businesses rather than selling directly to consumers. In commercial terms, B2B typically refers to organisations that leverage the online products and/or services provided by other organisations, often referred to as Software-as-a-Service or SaaS for short.

Discover more in the B2C and B2B SaaS Authentication Architectures article

B2C

B2C – better known as Business-to-Consumer – refers to the process of businesses selling products and services directly to customers, bypassing any third-party retailers, wholesalers, or other middle ground. In commercial terms, B2C typically refers to retailers who sell products and services to consumers directly via online mechanisms, also known as Software-as-a-Service (or SaaS for short).

Discover more in the B2C and B2B SaaS Authentication Architectures article

Step-Up Authentication

Step-up Authentication is a security measure where users are prompted to reauthenticate with a higher assurance level — e.g. using Multi-Factor Authentication credentials — when accessing sensitive resources or performing high-risk actions, providing enhanced security beyond that afforded by standard authentication.

Account Linking

In a CIAM context, Account Linking refers to the process of linking one or more accounts for a given user — e.g. an account created via the use of UserID/Password credentials with a Social account such as Facebook — so that the profile for the user is consistent no matter how they choose to log in.

First Factor

In terms of Authentication, the term First Factor — often synonymous with the Login process — refers to the credentials a user presents that are typically used to initially identify that user.

To learn more about first-factor credentials and the Login process visit Discover/CIAM/Login.

Delegation

In the context of Customer Identity and Access Management (CIAM), delegation refers to the ability to empower (business) partners or sub-organizations when it comes to managing their own users and access to services while maintaining administrative ownership overall, especially from a control and security perspective.

Client Credentials

Client Credentials is the term used to refer to the credentials associated with a client — i.e. any non-user entity, such as automated system service. Client Credentials are typically associated with the OAuth 2.0 Client Credentials Grant type, used to obtain an OAuth 2.0 Access Token outside the context of a user. In the Client Credentials Grant flow, the obtained OAuth 2.0 Access Token can be used to access services/resources at a machine-level context rather than on behalf of a user.

Peter Fernandez

As an Innovator, Architect, Advocate, Consultant, Engineer and CIAM specialist, I have over 30 years of experience designing and developing secure and robust software solutions. When I’m not helping folks with the complexities of Customer Identity, you can usually find me working behind the scenes, acting in or directing a show at my local theatre.

Follow me and learn more about Customer Identity at: Discover/CIAM

User Authentication

User Authentication is the process of identifying a user to your application and is typically achieved via the interactive Login process with which we’re all familiar.

You can discover more about User Authentication, at: Discover/CIAM/Login

Login

Login — a.k.a. Sign-in — is the most commonly recognised mechanism for identifying a user to your application, and typically uses a process of interactive authentication initiated via a user interface referred to as the Login Box. Login will often support multiple first-factor authentication mechanisms such as UserID & Password, Social and/or (Enterprise) Federation, as well as SSO.

Learn more about Login at: Discover/CIAM/Login

Bad Actor

The term “Bad Actor” (a.k.a. “Threat Actor” or “Malicious Actor”) is often associated with a person, group, country, etc. that purposely, and often repeatedly, engages in bad behaviour — such as causing trouble, committing crimes or doing harm to digital systems and the like.

Service Provider

Service Provider is the term used in SAML for a (B2B) SaaS application requiring User Authentication. The term Service Provider is semantically equivalent to the term Relying Party which is used in the OAuth 2.0 and OIDC protocol specifications.

Public Client

A Public Client is an OIDC/OAuth 2.0 client application type that cannot store highly sensitive security information – such as the Client Secret – in a manner that’s not publicly accessible. Examples of Public Clients include SPAs and Mobile applications where, despite technology advances such as the Secure Enclave and the Trusted Execution Environment, implementing measures to mitigate security risks and protect user data is typically more complex.

Confidential Client

A Confidential Client is an OIDC/OAuth 2.0 client application type that allows highly sensitive security information – such as the Client Secret – to be stored in a manner that is not publicly accessible. A regular web application is an example of a Confidential Client.

GDPR

GDPR – also known as the General Data Protection Regulation – is a privacy and security law, and arguably one of the toughest in the world. Though it was drafted and passed by the European Union (EU), it imposes obligations onto organizations anywhere that target or collect data related to people in the EU. The regulation was put into effect on May 25, 2018, and will levy harsh fines against those who violate its privacy and security standards, with penalties that can reach tens of millions of euros.

You can find out more about GDPR at https://gdpr.eu/what-is-gdpr

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