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About

Understand what data is sensitive and business-critical, then manage and protect it across your environment. Experience built-in labeling and information protection in Microsoft 365 apps and services. Get accurate classification with AI-powered classifiers, exact data matches, and other capabilities. Configure and manage policies and view analytics across on-premises file shares, Microsoft 365 apps and services, and desktop and mobile devices in one place. Extend a consistent protection experience to popular non-Microsoft apps and services with an SDK. Enable discovery and protection of sensitive data across your digital estate, including Microsoft 365 and Azure clouds; on-premises, hybrid, and third-party clouds; and SaaS apps. Scan across data at rest and in use to classify it across on-premises file shares, SharePoint, OneDrive, Exchange, Microsoft Teams, endpoints, and non-Microsoft cloud apps.

About

Sidian DataGuard is a data protection platform that prevents sensitive and privileged information from leaving regulated organizations while allowing everyday work to continue. It sits inside email, cloud storage, shared folders, and AI workflows, checking every document, attachment, message, and prompt before it moves. Rather than blocking an entire send, DataGuard applies the organization’s policy, removes only the information that should not leave, scopes content to the recipient, and records what was removed, why, and under which rule. Email & File Protection works across Outlook, Gmail, OneDrive, SharePoint, Google Drive, and Dropbox, automatically cleaning outbound content while preserving the normal workflow. Secure Sends handles large document sets from Clio, OneDrive, SharePoint, Drive, or local uploads, flags names, dates, account numbers, IDs, and other protected data, and supports bulk review, redaction, secure sharing, expiration dates, and per-recipient activity logs.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Companies looking for a tool to manage and protect their business critical data

Audience

Boutique litigation firms that need to redact large document sets and protect privileged information across email, file sharing, and AI tools

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

$12 per month
Free Version
Free Trial

Pricing

No information available.
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Microsoft
Founded: 1975
United States
www.microsoft.com/en-us/security/business/information-protection/microsoft-purview-information-protection

Company Information

Sidian
Founded: 2025
Canada
sidian.io

Alternatives

Alternatives

Categories

Categories

Integrations

Microsoft OneDrive
Microsoft SharePoint
Azure Marketplace
Clio
Dropbox
Foxit PDF Editor
Gmail
Google Drive
Microsoft 365
Microsoft Azure
Microsoft Exchange
Microsoft Outlook
Microsoft Purview
Microsoft Purview Audit
Microsoft Purview Compliance Manager
Microsoft Purview Data Loss Prevention
Microsoft Teams

Integrations

Microsoft OneDrive
Microsoft SharePoint
Azure Marketplace
Clio
Dropbox
Foxit PDF Editor
Gmail
Google Drive
Microsoft 365
Microsoft Azure
Microsoft Exchange
Microsoft Outlook
Microsoft Purview
Microsoft Purview Audit
Microsoft Purview Compliance Manager
Microsoft Purview Data Loss Prevention
Microsoft Teams
Claim Microsoft Purview Information Protection and update features and information
Claim Microsoft Purview Information Protection and update features and information
Claim Sidian DataGuard and update features and information
Claim Sidian DataGuard and update features and information