---
title: L'Oréal Customer Case Study | Cosmetics Industry
description: Discover how L'Oréal reduced shared data exposure in M365 with the IDECSI solution !
image: https://blog.idecsi.com/hubfs/LOr%C3%A9al.png
---

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Case-Study

21 May 2026

# L'Oréal: Reducing Shared Data Exposure in M365

![](https://4272098.fs1.hubspotusercontent-na1.net/hubfs/4272098/LOr%C3%A9al.png)

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- L'Oréal: Reducing Shared Data Exposure in M365

## **Reducing Shared Data Exposure in M365 Through Employees**

## **Context**

L'Oréal, a French industrial cosmetics group since 1909 and leader in its field, present in 150 countries, brings together 70,000 employees and manages over 1 billion consumer data records.

A client of IDECSI for 7 years, L'Oréal benefits from the monitoring platform that enables security teams to investigate and analyze security incidents (VIP messaging, Teams, sensitive SharePoint sites for Research and Innovation teams).

Islem Djouini, Corporate CISO at L'Oréal, agreed to speak at the Assises de la Cybersécurité.

## **Challenges**

The organization had to address several concrete challenges:

- **Onboarding 70,000 employees into the project**
- **Providing a simple, easy-to-use tool for the widest possible user base**
- **Implementing an agile deployment on the security side**

#### *"Thanks to the MyDataSecurity solution, employees are engaged in protecting the data they share in Microsoft 365. This makes it possible to address 2 key challenges: understanding how data is shared and securing it."* 

*![Islem Djouini](https://blog.idecsi.com/hs-fs/hubfs/Islem%20Djouini.png?width=104&height=104&name=Islem%20Djouini.png)*     Islem Djouini,  Corporate CISO at L'Oréal 

 

 

 

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