CISA has issued an emergency directive to address a security risk that could affect hybrid Microsoft Exchange users and ...

If an attacker gets admin control over the on-premises Exchange server, they can forge authentication tokens or make API ...

The security problem affects organizations with a hybrid Exchange environment, running applications in both on-premises ...

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CISA is giving agencies until 9 a.m. Monday to address a vulnerability that, left unaddressed, could allow hackers to achieve ...

CISA has issued an emergency directive ordering all Federal Civilian Executive Branch (FCEB) agencies to mitigate a critical ...

Administrators with hybrid Exchange Server environments are urged by Microsoft and the US Cybersecurity and Infrastructure ...

No reported in-the-wild exploits…yet Microsoft and the feds late Wednesday sounded the alarm on another high-severity bug in ...

Microsoft has urged its customers to be on high alert after discovering a dangerous vulnerability in hybrid Exchange ...

Microsoft Exchange customers have been urged to apply fixes set out in a hybrid deployment security update published in April ...

"In an Exchange hybrid deployment, an attacker who first gains administrative access to an on-premises Exchange server could ...