To safeguard against this line of attack, organizations are recommended to restrict B2B collaboration settings to only allow ...

Over the past few weeks, I've been detailing my move from an independent Exchange hosting provider to Microsoft's Office 365 service. In my first two installments, I discussed Microsoft's surprisingly ...

Accepting a Teams guest invitation can drop users into an unprotected tenant, bypassing all Defender for Office 365 controls.

A new report from Ontinue is raising major concerns about how Microsoft Teams handles cross-tenant collaboration.

HP will sell Microsoft's Office 365 coupled with HP services as a single enterprise bundle, HP announced on December 2 at the company's HP Discover conference. hpoffice365 HP's new offering, called HP ...

Microsoft is working to resolve a known issue preventing users from installing the Microsoft 365 desktop apps on Windows devices.

Microsoft is warning of a new phishing campaign that abuses different privacy settings in cloud-based file hosting services to bypass security solutions and steal login credentials, deploy malware, ...

AT&T's email servers are blocking connections from Microsoft 365 due to a "high volume" spam wave originating from Microsoft's service. Starting on Monday, AT&T customers began reporting they could no ...

HP and Microsoft, which have always had a fairly tight relationship, just inked another agreement that enables HP to offer Office 365 services and support. The new agreement will allow HP to manage ...

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