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

The Cybersecurity and Infrastructure Security Agency (CISA) and the National Security Agency (NSA) have released guidance to help IT administrators harden Microsoft Exchange servers on their networks ...

The latest update to open-source desktop email client Thunderbird has a tranche of improvements in tow. Thunderbird 145 now ...

The Cybersecurity and Infrastructure Security Agency (CISA), the National Security Agency (NSA), in collaboration with international cybersecurity partners, have released the “Microsoft Exchange ...

My post late last week about unplanned downtime for Microsoft's Business Productivity Online Suite (BPOS) seemingly has opened the floodgates for more similar reports. On September 7, I began ...

A vulnerability is Microsoft Exchange servers is being actively exploited by multiple APT groups, researchers warn. Multiple threat groups are actively exploiting a vulnerability in Microsoft Exchange ...

The release-to-manufacturing (RTM) buzz around Microsoft Exchange 2010 is starting to grow louder. I'm hearing from various partners and customers it could be finalized any time now, maybe even before ...

Volexity has seen active in-the-wild exploitation of multiple Microsoft Exchange vulnerabilities used to steal email and compromise networks, and the attacks appear to have begun as early as Jan. 6.

As attacks double every hour, hackers are exploiting vulnerable Microsoft Exchange servers and installing a new family of ransomware called DearCry. Cybercriminals are now using compromised Microsoft ...

The Redmond, Wash.-based tech giant is confirming two zero-day vulnerabilities found in popular Exchange. Microsoft has confirmed the existence of two zero-day vulnerabilities in Microsoft Exchange – ...

Microsoft on Wednesday suggested that newer versions of Exchange and Exchange Online are now so secure that it's less necessary to check for unauthorized users. Newer Exchange messaging solutions are ...

Security researchers have found a new post-exploitation framework that they dubbed IceApple, deployed mainly on Microsoft Exchange servers across a wide geography. A newly discovered and uncommonly ...