Parts of the internet were knocked offline Tuesday after a major Cloudflare outage disrupted access to platforms including X ...

Threats against Microsoft Exchange continue to mount, but there are steps both organizations and Microsoft can take to limit ...

The NSA, CISA, Australia's Cyber Security Centre, and Canada's Cyber Centre jointly released comprehensive security practices for Exchange hardening.

The Cybersecurity and Infrastructure Security Agency (CISA), the National Security Agency (NSA), in collaboration with ...

Former FBI Director James Comey said in an October 2016 message to Columbia University law professor Daniel Richman, who was ...

The National Security Agency, Cybersecurity and Infrastructure Security Agency and international partners released joint guidance Oct. 30 on best practices for Microsoft Exchange server security. The ...

A Western advanced persistent threat (APT) has been exploiting an unknown zero-day in Microsoft Exchange to steal high-value intelligence from China's military and major technology industries. At last ...

Outlook not syncing with the Exchange Server is a critical issue that prevents users from sending or receiving new emails or making changes to their email accounts. In this post, we have shared some ...

Microsoft has disclosed a high-severity Exchange Server vulnerability that allows attackers to forge legitimate senders on incoming emails and make malicious messages a lot more effective. The ...

This post features solutions to fix the Recipient Address Rejected, Access Denied error when sending email. The error indicates that the recipient’s email server ...

Outlook regularly syncs with Microsoft Exchange to ensure you have the most up-to-date emails but if a Outlook is Trying to Retrieve Data From the Microsoft Exchange Server message appears, something ...