Hidden Threats: How Microsoft 365 Backups Store Risks for Future Attacks
Published on: 2025-06-02 19:01:11
As businesses continue to migrate their operations to the cloud, maintaining and managing the security of these environments has become mission-critical. Microsoft 365 is a widely adopted suite of productivity tools, but relying solely on its built-in security features may leave organizations vulnerable to significant risks.
The Acronis Threat Research Unit recently conducted a quantitative study to explore the core security landscape of Microsoft 365 , and the findings are both alarming and instructive.
The Research Project
The Acronis Threat Research Unit assessed the security of Microsoft 365 email and application backup data. The study focused on Microsoft 365 seats that were configured to rely solely on the security settings provided by Microsoft, without the use of any additional third-party security solutions, including those offered by Acronis.
To ensure a broad and representative sample, the research team randomly selected data sets from more than 300,000 M365 seats from a
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