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

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

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

CISA has warned that a critical vulnerability in Microsoft Exchange Servers poses a grave risk to entire Microsoft 365 ...

"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 ...

Research demonstrating high-impact cloud and AI security flaws will be rewarded at Microsoft’s Zero Day Quest competition in ...

Microsoft will offer up to $5 million in bounty awards at this year's Zero Day Quest hacking contest, which the company ...

CrowdStrike Senior VP of Counter Adversary Operations Adam Meyers told The Register the same thing and likened Microsoft's ...

Microsoft’s security advisory emphasizes that the emergency patches provide “more robust protections” compared to earlier fixes. CVE-2025-53770 offers enhanced security beyond the CVE-2025-49704 ...

AI agents: the new insider riskThe biggest internal security threat may now come from employees — unintentionally.According to a new survey of 200 North American security leaders, 63% say the top ...