Reduce Sensitive Data Exposure in Microsoft 365

In most organizations we work with, 30% of sensitive data is overexposed, and nobody knows it. Regain control before a data breach occurs.

Reduce Sensitive Data Exposure in Microsoft 365

3/4

security incidents involve human error.

Source: Verizon DBIR, 2025

4/10

organizations experienced a significant cyberattack in 2024.

Source: CESIN, 2025

80%

of employees would like access to a tool that helps them monitor data access.

Source: CESIN Barometer

Strengthening the security of sensitive data

  • Identify and Classify Sensitive Business Data : Where is it stored? Who has access to it? How is it being shared and used?
  • Ensure Permissions Are Appropriate: Prevent misconfigurations and overly permissive sharing that can expose sensitive information – through Copilot
  • Strengthen Data Security: Reduce the risks of data overexposure, unauthorized access, and compromise.
  • Build Awareness and Accountability: Engage data owners and make them active participants in protecting sensitive information.
Identify and classify sensitive business data with IDECSI

Prevent Data Overexposure in M365 with IDECSI

Identify Risks Affecting Sensitive Data

With the IDECSI platform, organizations gain visibility into sensitive data and identify exposure risks across Microsoft 365.

  • Security KPIs and dashboards
  • Identification of public or ownerless sensitive SharePoint repositories
  • Monitoring of external access (guests and third parties)
  • Intelligent identification of high-risk users (VIP, VAP, VSP)
  • Context-aware classification of critical business data
  • Integration with Microsoft Purview sensitivity labels
Empower Data Owners

Engage business users in validating and correcting access rights and permissions.

  • Security Check-up and guided review campaigns
  • Visibility into risks affecting sensitive and classified data
  • Identification of permissions requiring review (anonymous links, public sites, external sharing, etc.)
  • Simplified remediation workflows
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Benefits

Visibility into Sensitive Data

Know exactly where sensitive data resides, who can access it, and how it is being shared.

Increase Security Awareness and User Knowledge

Promote long-term adoption of secure sharing practices through an engaging user experience.

Granular Control of Access, Permissions, and Sharing

Improve governance and control over your organization’s most sensitive information.

Classified Data Protected, Risks Reduced

Monitor your most critical data, track security improvements, and demonstrate measurable risk reduction.

DETOX for Microsoft 365

DETOX is a turnkey program that helps organizations regain control of their data in just a few weeks.

Discover DETOX for M365
DETOX for M365 : 3 steps for identify and eliminate the risks of your tenant

Trusted by Leading Organizations

Logotype BPCE

“These campaigns helped us reduce our data exposure. More than 10,000 corrections were made, and the objective was achieved. Users appreciate the solution’s ease of use and value being actively involved in the initiative.”

Vincent Rey

Deputy Leader & Head of Data Protection Solutions

Groupe ADP - Noir

“Today, IDECSI extends our existing control and monitoring capabilities by providing greater visibility into access rights across our information assets.”

Eric Vautier

Group CISO

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“With MyDataSecurity, we not only improved cybersecurity visibility across our organization, but also reduced risks associated with unauthorized access. We deployed the solution for our VIP users, who manage projects worth several million euros.”

Jean-Paul Joanany

CISO

15 Warning Signs Your M365 Data Is at Risk

Use this checklist to:

  • Instantly spot the configurations putting your data at risk
  • Know exactly which sensitive data is exposed — and to whom
  • Get a clear starting point, without a lengthy audit
Get the checklist
15 Warning Signs Your M365 Data Is at Risk

Talk to an Expert

Book time with one of our experts to discuss your data exposure challenges.

Schedule a Meeting
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