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A Microsoft Office 365 Feature Could Help Ransomware Hackers Hold Cloud Files Hostage

16
Jun
2022
A Microsoft Office 365 Feature Could Help Ransomware Hackers Hold Cloud Files Hostage

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A “dangerous piece of functionality” has been discovered in Microsoft 365 suite that could be potentially abused by a malicious actor to ransom files stored on SharePoint and OneDrive and launch attacks on cloud infrastructure.

The cloud ransomware attack makes it possible to launch file-encrypting malware to “encrypt files stored on SharePoint and OneDrive in a way that makes them unrecoverable without dedicated backups or a decryption key from the attacker,” Proofpoint said in a report published today.

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