Security News
Microsoft is investigating a newly acknowledged issue causing macOS applications to hang when opening or saving files in OneDrive. [...]
Cybersecurity researchers are warning about a new phishing campaign that targets Microsoft OneDrive users with the aim of executing a malicious PowerShell script. The cybersecurity company is tracking the "Crafty" phishing and downloader campaign under the name OneDrive Pastejacking.
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.