Microsoft Teams and Outlook were hit outages - Copyright AFP/File Fabrice COFFRINI Microsoft Teams and Outlook were hit outages - Copyright AFP/File Fabrice COFFRINI ...

Microsoft recently acknowledged a vulnerability affecting its email and calendar service Exchange that could allow an attacker to gain significant control over particular organizations' email servers ...

With the increasing frequency of cyber-attacks on enterprise systems, it is imperative for organizations to ensure that their email servers are secure. Microsoft Exchange Server, being a cornerstone ...

"This isn't the worst month of the year so far," said Mike Murray, the director of research at vulnerability management vendor nCircle, even though the vulnerability/patch count is two more than the ...

Parts of the federal enterprise are likely susceptible to the flaw that allows hackers to hijack on-premises versions of Active Directory. CISA plans to release an emergency directive on Thursday, ...

Microsoft has identified one of the critical vulnerabilities in Exchange Server that the company disclosed in February's Patch Tuesday update as actually being a zero-day threat that attackers are ...

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 ...

Administrators with hybrid Exchange Server environments are urged by Microsoft and the US Cybersecurity and Infrastructure Security Agency (CISA) to quickly plug a high-severity vulnerability or risk ...

Microsoft this week announced it will be bringing its Extended Security Update (ESU) program for on-premises Exchange Server 2016 and 2019, offering organizations critical protection as they approach ...

Yesterday was September 10, 2024, and you know what that means — it’s Patch Day, the second Tuesday of every month when Microsoft releases security updates for Windows. This time, 79 security ...