Why Cloudflare’s authority to issue post-quantum certificates comes from browsers, not governments, and who stands on the ...

Microsoft has confirmed that this month's Windows Server security updates are causing OWA sign-in and mail delivery issues on some Exchange Server systems.

Microsoft confirms October 2026 Windows updates are causing Exchange Server failures and shares a temporary workaround for ...

Microsoft patches CVE-2026-96940, which lets authenticated attackers read other users' Exchange mailboxes within the same organization.

Microsoft ends security updates for Exchange Server 2016 and 2019 and Skype for Business Server 2015 and 2019 after the ...

Microsoft released out-of-band Exchange Server security update that fixes a high-severity mailbox access vulnerability (CVE-2026-96940).

Microsoft has confirmed that this month's Windows Server security updates are causing OWA sign-in and mail delivery issues on some Exchange Server systems. Nearly 22,000 Microsoft Exchange servers ...

Microsoft will begin retiring Exchange Web Services in Exchange Online on October 1, 2026. Older applications and email clients that rely on EWS may gradually lose access to Microsoft 365 email, ...

New capabilities in Microsoft 365 E7 and Project Perception help organizations contain agent risk and adapt protection ...

US president doubles down on criticism of CNN and MS Now as Akayla Gardner questions attempted White House ban A day after the White House barred CNN from traveling onboard Air Force One to provide ...

Apple is working on a fix for Exchange access in its Mac apps as Microsoft retires the connection they rely on. The disruption concerns work or school accounts hosted through Microsoft's Exchange ...