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features
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support

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Description

Quest Change Auditor is a real-time security auditing and threat monitoring solution for Active Directory and broader hybrid Microsoft environments. It monitors configuration changes, administrator actions, user activity, authentication events, and other security-relevant changes across on-premises and cloud systems. Supported environments include Active Directory, Azure AD, Office 365, Windows Server, Exchange, SQL Server, network-attached storage, SharePoint, and OneDrive for Business. Change Auditor detects indicators of compromise and suspicious activity while monitoring lateral movement and post-breach actions across systems such as file servers, Exchange, and Office 365. Threat prevention capabilities can block attackers from modifying critical groups, Group Policy settings and links, sensitive mailboxes, or extracting the Active Directory database to obtain credentials. The platform also identifies common Kerberos authentication vulnerabilities associated with Golden Ticket and Pass-the-Ticket attacks. Normalized audit records convert system activity into readable who, what, when, where, and workstation information together with before-and-after values. Threat timelines and related-event searches help investigators understand how individual changes connect with other security activity across the Microsoft environment. Change Auditor can integrate detailed activity logs with SIEM platforms such as Microsoft Sentinel, Splunk, ArcSight, and QRadar and can generate reports supporting compliance requirements including GDPR, PCI DSS, HIPAA, SOX, FISMA/NIST, and GLBA.

Description

Quest Identity Defense, previously known as Security Guardian, is a hybrid identity security platform for protecting Active Directory and Microsoft Entra ID from identity-based threats. The platform continuously observes human and non-human identities to identify Tier 0 exposures, privileged attack paths, risky configurations, anomalous behavior, and other identity vulnerabilities. Identity posture management compares AD and Entra ID configurations with security best practices and provides guidance for remediating identified weaknesses. Proactive object protection helps prevent critical Tier 0 assets from being improperly changed or compromised rather than relying exclusively on rollback after an incident. Quest's Shields Up functionality and agentic AI defense capabilities can automatically freeze at-risk users or critical objects, contain active threats, and limit attacker lateral movement. Continuous anomaly monitoring and detailed auditing show who changed what, when and where the activity occurred, and the workstation from which a change originated. AI-driven analysis converts identity telemetry into security insights and remediation guidance intended to help teams investigate threats and respond more quickly. A flexible API enables organizations to integrate Identity Defense information with existing security tools and custom workflows, while the platform is also designed to support audit and compliance requirements. Quest Identity Defense covers identity security functions across the Identify, Protect, Detect, Respond, Recover, and Govern pillars of the NIST Cybersecurity Framework and is FedRAMP High authorized.

API Access

Has API No 

API Access

Has API No 

Screenshots View All

Screenshots View All

Integrations

Microsoft 365 Yes 
Microsoft Entra ID Yes 
SQL Server Yes 
Active Directory Yes 
Google Chrome No 
IBM QRadar SIEM Yes 
Microsoft Azure No 
Microsoft Edge No 
Microsoft Exchange Yes 
Microsoft OneDrive Yes 
Microsoft SharePoint Yes 
Mozilla Firefox No 
PowerShell No 
Quest Change Auditor No 
Quest Identity Defense Yes 
Skype Yes 
Splunk Cloud Platform Yes 

Integrations

Microsoft 365 Yes 
Microsoft Entra ID Yes 
SQL Server Yes 
Active Directory No 
Google Chrome Yes 
IBM QRadar SIEM No 
Microsoft Azure Yes 
Microsoft Edge Yes 
Microsoft Exchange No 
Microsoft OneDrive No 
Microsoft SharePoint No 
Mozilla Firefox Yes 
PowerShell Yes 
Quest Change Auditor Yes 
Quest Identity Defense No 
Skype No 
Splunk Cloud Platform No 

Pricing Details

No price information available.
Free Trial Yes 
Free Version No 

Pricing Details

No price information available.
Free Trial Yes 
Free Version No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows Yes 
Mac No 
Linux Yes 
Chromebook No 

Customer Support

Business Hours Yes 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours Yes 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs Yes 
Webinars Yes 
Live Training (Online) Yes 
In Person Yes 

Vendor Details

Company Name

Quest Software

Founded

1987

Country

United States

Website

www.quest.com/change-auditor/

Vendor Details

Company Name

Quest Software

Founded

1987

Country

United States

Website

www.quest.com/products/identity-defense

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Product Features

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