--- title: "SANOFI | IDECSI: Security of Exchange messaging system" description: With the migration to O365, find out how SANOFI secured its users' Exchange email and monitored privileged accounts image: https://blog.idecsi.com/hubfs/Blog%20Images/BLOG-CLIENT-SANOFI.jpg --- [![Logo-Idecsi-Black-tagline](https://blog.idecsi.com/hs-fs/hubfs/LOGOS%20IDECSI/LOGOS%20OFFICIELS/Logo-Idecsi-Black-tagline.png?width=1010&height=319&name=Logo-Idecsi-Black-tagline.png)](https://www.idecsi.com/) - 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? 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With IDECSI’s [MyDataSecurity](https://www.idecsi.com/solution/mydatasecurity/), every user has the means to monitor their security, identifying and reporting fraud, unauthorised access, or malicious settings immediately. Defence becomes collective, security is increased and breach processing time and costs are optimised. Fill in the form and read more !   ### "95% of the alerts can be managed by the end user" ![TESTIMONIALS-WILFRIED\_LAUMOND](https://blog.idecsi.com/hs-fs/hubfs/TESTIMONIALS-WILFRIED_LAUMOND.png?width=168&name=TESTIMONIALS-WILFRIED_LAUMOND.png)Wilfried Laumond - Head of risk Monitoring & Services *- Sanofi* Best practices to improve Microsoft Teams security [![Download the infographic ](https://no-cache.hubspot.com/cta/default/4272098/825ad7d1-e961-4a7a-a6b3-6e380b22285f.png)](https://cta-redirect.hubspot.com/cta/redirect/4272098/825ad7d1-e961-4a7a-a6b3-6e380b22285f) Subscribe to our newsletter and receive new contents every month Our case studies These resources may interest you ![Cas client Rocher ](https://4272098.fs1.hubspotusercontent-na1.net/hubfs/4272098/Groupe%20rocher.png) Case-Study Groupe Rocher: Data Protection in M365 & Carbon Footprint Reduction [Read the case study](https://blog.idecsi.com/resources-customer/idecsi-case-study-group-rocher?hsLang=en) ![](https://4272098.fs1.hubspotusercontent-na1.net/hubfs/4272098/SUEZ.png) Case-Study Suez: Reducing Overexposure Risk and Data Volume on Microsoft 365 [Read the case study](https://blog.idecsi.com/resources-customer/idecsi-case-study-suez?hsLang=en) ![](https://4272098.fs1.hubspotusercontent-na1.net/hubfs/4272098/Lactalis.png) Case-Study Lactalis: Identifying and Eliminating Non-Compliant Sharing and Access to Reduce Risk [Read the case study](https://blog.idecsi.com/resources-customer/idecsi-case-study-lactalis?hsLang=en) ![Cas client BPCE ](https://4272098.fs1.hubspotusercontent-na1.net/hubfs/4272098/BPCE-1.png) Case-Study BPCE: Protection and Control of Shared Data on Microsoft 365 [Read the case study](https://blog.idecsi.com/resources-customer/idecsi-case-study-bpce-it?hsLang=en) ### Data protection, let's discuss your project?   [![Contact us](https://no-cache.hubspot.com/cta/default/4272098/bea4f372-c84f-4ec4-980c-ca663747fbfe.png)](https://cta-redirect.hubspot.com/cta/redirect/4272098/bea4f372-c84f-4ec4-980c-ca663747fbfe) ![video background](https://idecsi2a-dev-idecsi.pf27.wpserveur.net/wp-content/uploads/2022/02/video-background-idecsi-responsive-1.png) [![Logo-Idecsi-White-Ss-ES](https://blog.idecsi.com/hubfs/LOGOS%20IDECSI/LOGOS%20OFFICIELS/Logo-Idecsi-White-Ss-ES.svg)](https://www.idecsi.com/) +33 1 84 79 38 30 - - - - [Why choose IDECSI?](https://www.idecsi.com/user-security/) - [About us](https://www.idecsi.com/about-us/) - [Join the team](https://www.welcometothejungle.com/fr/companies/idecsi) - 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/) - [Products](https://www.idecsi.com/solution/) - [MyDataSecurity](https://www.idecsi.com/solution/mydatasecurity/) - [Advanced Monitoring](https://www.idecsi.com/solution/advanced-monitoring/) - [MyDataManagement](https://www.idecsi.com/solution/mydatamanagement/) - Resources - [Resources & News](https://blog.idecsi.com/resources?hsLang=en) - [Blog](https://blog.idecsi.com?hsLang=en) - [Customer success](https://blog.idecsi.com/resources-customer) - [Extranet](https://extranet.idecsi.com?hsLang=en) © IDECSI