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 ...

Recently, I decided to sync my iPad 4th generation (with iOS 8.0.2) with the Exchange server at my work. I added an account through Mails, Contacts, Calendars > Add Account > Exchange. (Then entered ...

Microsoft gave notice this week that it's planning to update its Office 365 certificates later this month, and the update could affect some hybrid Exchange deployments. The updates will affect the ...

The Cybersecurity and Infrastructure Security Agency (CISA) and the National Security Agency (NSA) have released guidance to ...

Microsoft has implemented the S/MIME e-mail security standard across its hosted and server-based Exchange products, the company announced this month. The Secure/Multipurpose Internet Mail Extensions ...

A sophisticated threat actor has hijacked email security connections to spy on targets. A Mimecast-issued certificate used to authenticate some of the company’s products to Microsoft 365 Exchange Web ...

Email security provider Mimecast says it has been informed by Microsoft that a certificate it issued for authentication of Mimecast Sync and Recover, Continuity Monitor, and IEP products to Microsoft ...

A security certificate issued by Mimecast Services Ltd. that’s used to authenticate some of the company’s products with Microsoft Corp. 365 Exchange Web Services has been hacked. The certificate, ...

Microsoft released two optional security updates Tuesday to block digital certificates that use the MD5 hashing algorithm and to improve the network-level authentication for the Remote Desktop ...

Memo from Microsoft to Windows administrators: Make sure all of your digital certificates have at least 1,024 bits. That warning comes as Microsoft prepares to release an automatic security update for ...

Microsoft released two optional security updates Tuesday to block digital certificates that use the MD5 hashing algorithm and to improve the network-level authentication for the Remote Desktop ...