---
title: Blog IDECSI
description: The latest insights on data protection in Microsoft 365, user engagement in security, product news and the cybersecurity ecosystem.
---

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- Solutions

  DETOX® pour M365
  
  Audit, Remediation & ROI
  
  [Discover DETOX](https://info.idecsi.com/detox-m365?hsLang=en)
  
  ![Audit, Remediation & ROI](https://blog.idecsi.com/hubfs/ILLU-4.png)

  Solutions
  
  IDECSI gives security and IT teams full control over their data — across DSPM, Data Access Governance, Human Risk Management, and Data Volume Management.

    - [![download\_done](https://blog.idecsi.com/hubfs/download_done.svg) M365 Data Security Platform](https://www.idecsi.com/solution/mydatasecurity/)
    - [![download\_done](https://blog.idecsi.com/hubfs/download_done.svg) Data storage optimization](https://www.idecsi.com/solution/mydatamanagement/)
- Challenges

  M365 Checklist
  
  15 Warning Signs Your M365 Data Is at Risk
  
  [Get the checklist](https://info.idecsi.com/checklist-15-warningsigns?hsLang=en)
  
  ![Checklist risques M365](https://blog.idecsi.com/hubfs/Frame-2147255341.png)

  Your 2026 Challenges
  
  Address your most critical data security and governance challenges - across your M365 environment

    - [![download\_done](https://blog.idecsi.com/hubfs/download_done.svg) Gain visibility accross M365](https://www.idecsi.com/challenges/visibility-microsoft-365)
    - [![download\_done](https://blog.idecsi.com/hubfs/download_done.svg) Get Ready For Copilot M365](https://www.idecsi.com/challenges/m365-copilot/)
    - [![download\_done](https://blog.idecsi.com/hubfs/download_done.svg) Control external user access](https://www.idecsi.com/challenges/external-access-microsoft-365/)
    - [![download\_done](https://blog.idecsi.com/hubfs/download_done.svg) Prevent Sensitive Data Exposure](https://www.idecsi.com/challenges/sensitive-data-m365/)
    - [![download\_done](https://blog.idecsi.com/hubfs/download_done.svg) Gain visibility across Microsoft 365](https://www.idecsi.com/challenges/visibility-microsoft-365/)
    - [![download\_done](https://blog.idecsi.com/hubfs/download_done.svg) Ensure regulatory compliance](https://www.idecsi.com/challenges/compliance-m365/)
- Resources

  Is Your Tenant Ready for Copilot?
  
  A Security & Governance Playbook
  
  [Download](https://info.idecsi.com/whitepapper_copilot?hsLang=en)
  
  ![Copilot guide](https://blog.idecsi.com/hubfs/Frame-2147255339.png)

  Our resources
  
  Check out our useful resources for improving data protection

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# IDECSI Blog

 The latest insights on data protection in Microsoft 365, user engagement in security, product news and the cybersecurity ecosystem.

![](https://4272098.fs1.hubspotusercontent-na1.net/hubfs/4272098/Zero%20Trust%20et%20gouvernance%20des%20donn%C3%A9es%20Microsoft%20365%20V2%201.png)

Zero Trust Data Governance for Microsoft 365: CISO Guide

 Zero Trust is now the reference framework for enterprise cybersecurity. Its three... 

<https://blog.idecsi.com/zero-trust-data-governance-microsoft-365?hsLang=en> [Read the article](https://blog.idecsi.com/zero-trust-data-governance-microsoft-365?hsLang=en)

[Microsoft 365](https://blog.idecsi.com/tag/microsoft-365?hsLang=en)

[Security](https://blog.idecsi.com/tag/security?hsLang=en)

[Idecsi News](https://blog.idecsi.com/tag/idecsi-news?hsLang=en)

[Workplace](https://blog.idecsi.com/tag/workplace?hsLang=en)

[Digital sobriety](https://blog.idecsi.com/tag/digital-sobriety?hsLang=en)

[Trends](https://blog.idecsi.com/tag/trends?hsLang=en)

[Storage](https://blog.idecsi.com/tag/storage?hsLang=en)

[Case-Study](https://blog.idecsi.com/tag/case-study?hsLang=en)

[Expert Advice](https://blog.idecsi.com/tag/expert-advice?hsLang=en)

![](https://4272098.fs1.hubspotusercontent-na1.net/hubfs/4272098/Cybermois%20en%20entreprise%20V2.png)

 Cybersecurity Awareness Month: A CISO's M365 Action Plan 

<https://blog.idecsi.com/cybersecurity-awareness-month-ciso-action-plan-m365?hsLang=en> [Read the article](https://blog.idecsi.com/cybersecurity-awareness-month-ciso-action-plan-m365?hsLang=en)

![](https://4272098.fs1.hubspotusercontent-na1.net/hubfs/4272098/Microsoft%20Foundry%20_%20guide%20complet%20et%20enjeux%20pour%20la%20s%C3%A9curit%C3%A9%20%282026%29.png)

 Microsoft 365

 Microsoft Foundry: Complete Guide and Data Security Implications (2026) 

<https://blog.idecsi.com/microsoft-foundry-guide-security?hsLang=en> [Read the article](https://blog.idecsi.com/microsoft-foundry-guide-security?hsLang=en)

![](https://4272098.fs1.hubspotusercontent-na1.net/hubfs/4272098/Illus-Blog-Supervision.png)

 Microsoft 365

 Microsoft 365 Phishing: Why Oversharing Makes a Compromised Account Far More Dangerous 

<https://blog.idecsi.com/fr/phishing-microsoft-365-risques-donnees-partagees-1?hsLang=en> [Read the article](https://blog.idecsi.com/fr/phishing-microsoft-365-risques-donnees-partagees-1?hsLang=en)

![Architecture Copilot M365 \_ Fonctionnement Technique & Flux de Données (2026) ](https://4272098.fs1.hubspotusercontent-na1.net/hubfs/4272098/Architecture%20Copilot%20M365%20_%20Fonctionnement%20Technique%20&%20Flux%20de%20Donn%C3%A9es%20%282026%29%201.png)

 Microsoft 365 Copilot Architecture: Technical Deep Dive (2026) 

<https://blog.idecsi.com/microsoft-365-copilot-architecture?hsLang=en> [Read the article](https://blog.idecsi.com/microsoft-365-copilot-architecture?hsLang=en)

![](https://4272098.fs1.hubspotusercontent-na1.net/hubfs/4272098/image%20%2858%29.png)

 Microsoft 365

 Securing AI Agents in Microsoft 365: Best Practices for 2026 

<https://blog.idecsi.com/securing-ai-agents-microsoft-365?hsLang=en> [Read the article](https://blog.idecsi.com/securing-ai-agents-microsoft-365?hsLang=en)

![](https://4272098.fs1.hubspotusercontent-na1.net/hubfs/4272098/Exposition%20des%20donn%C3%A9es%20dans%20Microsoft%20365%20_%20risques%20et%20controle%202.png)

 Security

 Data Exposure in Microsoft 365: Understanding the Risks and Taking Back Control 

<https://blog.idecsi.com/microsoft-365-data-exposure?hsLang=en> [Read the article](https://blog.idecsi.com/microsoft-365-data-exposure?hsLang=en)

<https://blog.idecsi.com/page/0?hsLang=en>

[1](https://blog.idecsi.com/page/1?hsLang=en) [2](https://blog.idecsi.com/page/2?hsLang=en) [3](https://blog.idecsi.com/page/3?hsLang=en) [4](https://blog.idecsi.com/page/4?hsLang=en) [5](https://blog.idecsi.com/page/5?hsLang=en) 

<https://blog.idecsi.com/page/2?hsLang=en>

## Best practices to improve Microsoft Teams security

 

 

[![Download the infographic](https://no-cache.hubspot.com/cta/default/4272098/67f32cdd-bf2e-42b0-b935-301940a4b34c.png)](https://cta-redirect.hubspot.com/cta/redirect/4272098/67f32cdd-bf2e-42b0-b935-301940a4b34c)

i

![inforgraphie-best\_practice-cta](https://4272098.fs1.hubspotusercontent-na1.net/hubfs/4272098/SALES/Infographie/FR_Infographie_Teams/inforgraphie-best_practice-cta.png)

 Read more

## Most popular articles about Microsoft 365 security

![](https://4272098.fs1.hubspotusercontent-na1.net/hubfs/4272098/Architecture%20Copilot%20M365%20_%20Fonctionnement%20Technique%20&%20Flux%20de%20Donn%C3%A9es%20%282026%29%201.png)

 Security

Copilot Cowork in Microsoft 365: What CIOs Need to Know

<https://blog.idecsi.com/copilot-cowork-microsoft-365?hsLang=en>

![Partages externes des utilisateurs](https://4272098.fs1.hubspotusercontent-na1.net/hubfs/4272098/Blog%20Images/BLOG-PARTAGES-EXTERNES.png)

 Microsoft 365

Microsoft 365 External Sharing: Best Practices Guide (2026)

<https://blog.idecsi.com/microsoft-365-external-sharing-best-practices?hsLang=en>

![Microsoft Loop: the latest features of the collaborative hub](https://4272098.fs1.hubspotusercontent-na1.net/hubfs/4272098/BLOG-MS_Loop.jpg)

 Microsoft 365

Microsoft Loop : new collaborative hub

<https://blog.idecsi.com/microsoft-loop-collaborative-hub?hsLang=en>

![Shared channels in Microsoft Teams](https://4272098.fs1.hubspotusercontent-na1.net/hubfs/4272098/Blog%20Images/BLOG-VISUEL-Canaux_partages-2.png)

 Microsoft 365

Shared channels in Microsoft Teams: what changes can be expected?

<https://blog.idecsi.com/shared-channels-microsoft-teams?hsLang=en>

![Architecture Copilot M365 \_ Fonctionnement Technique & Flux de Données (2026) ](https://4272098.fs1.hubspotusercontent-na1.net/hubfs/4272098/Architecture%20Copilot%20M365%20_%20Fonctionnement%20Technique%20&%20Flux%20de%20Donn%C3%A9es%20%282026%29%201.png)

Microsoft 365 Copilot Architecture: Technical Deep Dive (2026)

<https://blog.idecsi.com/microsoft-365-copilot-architecture?hsLang=en>

![Utilisateur M365 avec Copilot](https://4272098.fs1.hubspotusercontent-na1.net/hubfs/4272098/Image%20Blog%201.png)

 Microsoft 365

Microsoft 365 Copilot: Enterprise Guide (2026)

<https://blog.idecsi.com/m365-copilot-guide-entreprises?hsLang=en>

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