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

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

Microsoft has warned customers to mitigate a high-severity vulnerability in Exchange Server hybrid deployments that could ...

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 ...

Parts of the federal enterprise are likely susceptible to the flaw that allows hackers to hijack on-premises versions of ...

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

A vulnerability in Exchange hybrid deployments could allow attackers to escalate privileges and gain administrative access to ...

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

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

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

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