Microsoft Exchange Server is a critical component of enterprise communication, but like any complex system, it is not immune ...

Microsoft has backed away from its plan to introduce a limit of 2,000 emails per day in Exchange Online. The change, announced in 2024 and set to go into effect last year, was aimed at reducing the ...

Microsoft indefinitely cancels Exchange Online mailbox external recipient rate limit, removing fixed daily caps. Static recipient limits conflicted with automated notifications and ...

Before installation, it’s crucial to understand that Microsoft Graph is a RESTful web API that integrates various Microsoft services. You only need to authenticate once to access data across these ...

Microsoft Exchange is a wildly popular threat target, with dangers exacerbated by the tech giant's end support for Exchange 2016 and 2019 last month. Now those email servers won't receive necessary, ...

The NSA, CISA, Australia's Cyber Security Centre, and Canada's Cyber Centre jointly released comprehensive security practices for Exchange hardening. Explore Get the web's best business technology ...

Microsoft really doesn’t want you creating a local account on Windows 11. Microsoft really doesn’t want you creating a local account on Windows 11. is a senior editor and author of Notepad, who has ...

Microsoft Corp will discontinue its Graph command-line interface tool next year, citing declining usage and overlap with existing developer tools as the company consolidates its software development ...

Update, August 10, 2025: This story, originally published on August 7, has been updated with additional information following a demonstration of the shared service principal exploit at the Black Hat ...

CISA has issued an emergency directive ordering all Federal Civilian Executive Branch (FCEB) agencies to mitigate a critical Microsoft Exchange hybrid vulnerability tracked as CVE-2025-53786 by Monday ...

Microsoft Exchange customers have been warned about a new high-severity vulnerability, which could allow an attacker to escalate privileges within an organization’s connected cloud environment. The ...