The Microsoft Exchange admin portal is currently inaccessible from some browsers after Microsoft forgot to renew the SSL certificate for the website. Starting at 8 AM EST today, Microsoft Exchange ...

Microsoft is investigating an Exchange Online service outage that is preventing customers from accessing their mailboxes using the classic Outlook desktop client.

Microsoft is responding to a new outage affecting classic Outlook desktop users. The company acknowledged the problem under ...

The Biden administration on Monday blamed China for the hack of Microsoft Exchange email server software that compromised tens of thousands of computers around the world earlier this year. The ...

The big picture: The Biden Administration issued a statement claiming "with a high degree of confidence" that China exploited the Microsoft Exchange vulnerabilities to acquire confidential information ...

Microsoft has exposed a crafty case of OAuth app abuse that allowed the attackers to reconfigure the victim's Exchange server to send spam. The point of the elaborate attack was to make mass spam – ...

The Biden administration is working to formally attribute the exploitation of vulnerabilities in Microsoft’s Exchange Server application, which left thousands of organizations vulnerable to attack, ...

Microsoft is advising Exchange Server administrators to remove some of the endpoint antivirus exclusions that the company’s own documentation recommended in the past. The rules are no longer needed ...