---
title: Blog IDECSI | Security (2)
description: Security | The latest insights on data protection in Microsoft 365, user engagement in security, product news and the cybersecurity ecosystem. (2)
---

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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

    - [![download\_done](https://blog.idecsi.com/hubfs/download_done.svg) Blog](https://blog.idecsi.com?hsLang=en)
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- [Customers](https://blog.idecsi.com/resources-customer?hsLang=en)
- - [English](https://blog.idecsi.com/tag/security)
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- Security

 Articles in the category Security

![](https://4272098.fs1.hubspotusercontent-na1.net/hubfs/4272098/Banni%C3%A8re%20mail%20%28large%29%20%2812%29%202.png)

 Microsoft 365

 Security

Security CheckUp: Simplifying risk review in M365

<https://blog.idecsi.com/fr/security-checkup-simplifier-la-revue-des-risques-dans-microsoft-366?hsLang=en> [Read the article](https://blog.idecsi.com/fr/security-checkup-simplifier-la-revue-des-risques-dans-microsoft-366?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)

![IFOP-IDECSI-CESIN study: Data security in the workplace](https://4272098.fs1.hubspotusercontent-na1.net/hubfs/4272098/Etude%20IFOP-IDECSI-CESIN%20%20S%C3%A9curit%C3%A9%20des%20donn%C3%A9es%20au%20travail.png)

 Security

 Employees and data security at workplace 

<https://blog.idecsi.com/study-data-security-work?hsLang=en> [Read the article](https://blog.idecsi.com/study-data-security-work?hsLang=en)

![Security and Data Governance on M365: Insights from 2 Companies](https://4272098.fs1.hubspotusercontent-na1.net/hubfs/4272098/ff3a62fa-36ad-472b-8d1e-da0df5bfddaa.jpg)

 Security

 Data Security and Governance in the AI & Responsible Digital Era 

<https://blog.idecsi.com/data-governance-ai-sustainability?hsLang=en> [Read the article](https://blog.idecsi.com/data-governance-ai-sustainability?hsLang=en)

![Microsoft Copilot data access secure](https://4272098.fs1.hubspotusercontent-na1.net/hubfs/4272098/Microsoft%20Copilot%20%205%20conseils%20pour%20s%C3%A9curiser%20les%20donn%C3%A9es.png)

 Microsoft 365

 Microsoft Copilot: 5 steps to secure data access 

<https://blog.idecsi.com/copilot-advice-data-access-secure?hsLang=en> [Read the article](https://blog.idecsi.com/copilot-advice-data-access-secure?hsLang=en)

![Illustration of a dangerous share in Microsoft 365](https://4272098.fs1.hubspotusercontent-na1.net/hubfs/4272098/MicrosoftTeams-image%20%2871%29-1.png)

 Microsoft 365

 How to reduce the risk of shared data in Microsoft 365 

<https://blog.idecsi.com/reduce-the-risk-of-shared-data-m365?hsLang=en> [Read the article](https://blog.idecsi.com/reduce-the-risk-of-shared-data-m365?hsLang=en)

![Access review](https://4272098.fs1.hubspotusercontent-na1.net/hubfs/4272098/BLOG-VISUALS-REVUE-DE-DROITS.png)

 Security

 M365 Collaboration Tools Access Review 

<https://blog.idecsi.com/review-rights-microsoft365?hsLang=en> [Read the article](https://blog.idecsi.com/review-rights-microsoft365?hsLang=en)

![Classification with MIP](https://f.hubspotusercontent40.net/hubfs/4272098/Article-Classification-AIP.png)

 Microsoft 365

 Classifying and Protecting Sensitive Data with Microsoft Purview (2026) 

<https://blog.idecsi.com/classify-protect-sensitive-data?hsLang=en> [Read the article](https://blog.idecsi.com/classify-protect-sensitive-data?hsLang=en)

<https://blog.idecsi.com/tag/security/page/1?hsLang=en>

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

<https://blog.idecsi.com/tag/security/page/3?hsLang=en>

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 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>

## Best practices to improve Microsoft Teams security

 

 

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i

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### Data protection, let's discuss your project?

 

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- Solutions 
    - [Visibility](https://www.idecsi.com/challenge-data-visibility/)
    - [Detection](https://www.idecsi.com/challenge-threat-detection/)
    - [User engagement](https://www.idecsi.com/challenge-involve-user/)
    - [Access review](https://www.idecsi.com/challenge-rights-review/)
    - [Remediation](https://www.idecsi.com/challenge-remediation/)
    - [Sensitive data](https://www.idecsi.com/challenge-sensitive-data/)

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- Resources 
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