AD

 - Active Directory

ADAM

 - Active Directory Application Mode

ADFS

 - Active Directory Federation Services

ADSI

 - Active Directory Services Interface

AJAX

 - Asynchronous JavaScript and XML

AM

 - Access Management

API

 - Application Programming Interface

CA

 - Certificate Authority

DDNS

 - Dynamic DNS

DNS

 - Domain Name System

ED

 - Enterprise Directory

ERP

 - Enterprise Resource Planning

ESSO

 - Enterprise Single Sign on

GUID

 - Global Unique Identifier

 - Identity Assurance

IAM

 - Identity and Access Management

ID

 - Identity or identifier

IDaaS

 - Identity as a Service

IdM

 - Identity Management

IdP

 - Identity Provider

LDAP

 - Lightweight Directory Access Protocol

LDS

 - LDAP Directory Services

MISP

 - Managed Identity Service Provider

MSP

 - Managed Service Provider

MSSP

 - Managed Security Service Provider

MX

 - Mail eXchanger Record

OID

 - Object Identifier

PACS

 - Physical Access Control Systems

PAM

 - This acronym can have two possible meanings:

• Pluggable Authentication Module
• Privileged Account Management

PAP

 - Policy Administration Point

PDP

 - Policy Decision Point

PEP

 - Policy Enforcement Point

PIP

 - Policy Information Point

PIV

 - Personal Identity Verification

PKI

 - Public Key Infrastructure

PUM

 - Privileged User Management

RBAC

 - Role Based Access Control

REST

 - Representational State Transfer

RFID

 - Radio-frequency Identification

SaaS

 - Software as a Service

SAM

 - Security Account Manager

SAML

 - Security Assertion Markup Language

SCIM

 - Simple Cloud Identity Management

SCUID

 - Secure, Co-Sourced, Unified IDentity

SDK

 - Software Development Kit

SEM

 - Security Event Management

SIEM

 - Security Information Event Management

SIM

 - Security Information Management

SMTP

 - Simple Mail Transfer Protocol

SOAP

 - Simple Object Access Protocol

SoD

 - Segregation/Separation of Duties

SP

 - Service Provider

SPML

 - Service Provisioning Markup Language

SQL

 - Structured Query Language

SSL

 - Secure Sockets Layer

SSO

 - Single Sign-On

SSPR

 - Self-Service Password Reset

STS

 - Secure Token Service

TLS

 - Transport Layer Security

UI

 - User Interface

VDS

 - Virtual Directory Services

WAM

 - Web Access Management

XML

 - Extensible Markup Language

XSLT

 - Extensible Stylesheet Language Transformation

DEV

 - Development

POC

 - Proof of Concept

PROD

 - Production

QA

 - Quality Assurance

SDLC

 - Software Development Lifecycle

SOA

 - Service-Oriented Architecture

UAT

 - User Acceptance Testing

IAF

 - Identity Assurance Framework

IEEE

 - Institute of Electrical and Electronics Engineers

ISO

 - International Organization for Standardization

OASIS

 - Organization for the Advancement of Structured Information Standards

OIX

 - Open Identity eXchange

NIST

 - National Institute of Standard and Technology

NSTIC

 - National Strategy for Trusted Identities in Cyberspace

FERC

 - Federal Energy Regulatory Commission

GLBA

 - Gramm-Leach-Bliley Act

HIPAA

 - Health Insurance Portability and Accountability Act

NERC CIP

 - North American Electricity Reliability Corporation Critical Infrastructure Protection

PCI

 - Payment Card Industry

PCI DSS

 - Payment Card Industry Data Security Standard

SOX

 - Sarbanes-Oxley