Security News
Microsoft OneDrive for Business has been redesigned and has a new upgrade roadmap, which includes the Copilot natural language AI assistant, Microsoft announced on October 3. New layout and features are now visible in Microsoft OneDrive for Business.
"These attacks likely rely on access to multiple virtual private servers in conjunction with rented cloud infrastructure, open proxies, and DDoS tools," the tech giant said in a post on Friday.Redmond said it further observed the threat actor launching layer 7 DDoS attacks from multiple cloud services and open proxy infrastructures.
Microsoft is investigating an ongoing outage that is preventing OneDrive customers from accessing the cloud file hosting service worldwide, just as a threat actor known as 'Anonymous Sudan' claims to be DDoSing the service. "We've reviewing OneDrive telemetry that captures this impact scenario to determine the source of the service access failures and begin identifying a mitigation plan."
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Microsoft is investigating a known issue causing OneDrive and OneDrive for Business crashes on Windows 10 systems where customers have installed updates released earlier this month. "After installing KB5018410 or later updates, OneDrive might unexpectedly close," the company explained in a Windows health dashboard update.
Researchers are warning attackers can abuse Microsoft Office 365 functionality to target files stored on SharePoint and OneDrive in ransomware attacks."Proofpoint has discovered a potentially dangerous piece of functionality in Office 365 or Microsoft 365 that allows ransomware 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," according to researchers.
Microsoft said it blocked a Lebanon-based hacking group it tracks as Polonium from using the OneDrive cloud storage platform for data exfiltration and command and control while targeting and compromising Israelian organizations. Throughout the attacks that mainly targeted Israel's critical manufacturing, IT, and defense industry sectors since February 2022, Polonium operators have also likely coordinated their hacking attempts with multiple Iran-linked threat actors, according to Redmond's analysis.
Microsoft has announced that the OneDrive desktop application will reach the end of support on legacy Windows 7, 8, and 8.1 starting with January 1, 2022. "In order to focus resources on new technologies and operating systems, and to provide users with the most up-to-date and secure experience, beginning January 1, 2022, updates will no longer be provided for the OneDrive desktop application on your personal Windows 7, 8, and 8.1 devices," the OneDrive Team said.
A Microsoft 365 outage prevents access to files, such as Excel documents, stored on the SharePoint Online, OneDrive, Office, and Microsoft Teams cloud storage services. The outage started at approximately 11:40 AM EST, with admins and users reporting on social media that they could not open files stored on OneDrive or SharePoint.
That's true of a new phishing campaign that uses both Craigslist and OneDrive to trick people into installing malware. Clicking on a button in the email was supposed to take people to a form document that had been uploaded to an actual Microsoft OneDrive site.