Office 365 Configuration Flaw Allows Ransomware Attack on OneDrive and SharePoint Data

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Office 365 Configuration Flaw Allows Ransomware Attack on OneDrive and SharePoint Data-01

Researchers have issued a warning that ransomware attacks may target files stored on SharePoint and OneDrive by abusing Microsoft Office 365 features.

These files, which are “auto-saved” and include cloud backups, generally give end customers the idea that their data is protected from a ransomware assault. Files saved on SharePoint and OneDrive, according to researchers, can occasionally be exposed to a ransomware attack. The study was conducted by Proofpoint and outlines a “possibly harmful piece of functionality.”

Proofpoint has identified a potentially hazardous feature in Office 365 or Microsoft 365 that enables ransomware to encrypt files in a way that renders them impossible to recover without the attacker’s decryption key.

Read More: https://threatpost.com/office-365-opens-ransomware-attacks-on-onedrive-sharepoint/180010/