The NSA, CISA, Australia's Cyber Security Centre, and Canada's Cyber Centre jointly released comprehensive security practices for Exchange hardening. Image: Envato If your team still runs Microsoft ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Thankfully, for such things, the document itself is relatively ...

Microsoft has reminded administrators again that Exchange 2016 and Exchange 2019 will reach the end of extended support next month and has provided guidance for decommissioning outdated servers.

In the Cached Exchange Mode, a copy of your mailbox is saved on your computer. The copy offers prompt access to your data and is often updated with the server that runs Microsoft Exchange. Cached mode ...

More than 29,000 Microsoft Exchange servers exposed to the internet have remained unpatched against a high-severity vulnerability that could allow attackers to seize control of entire domains in ...

Update, August 10, 2025: This story, originally published on August 7, has been updated with additional information following a demonstration of the shared service principal exploit at the Black Hat ...

Microsoft Exchange customers have been warned about a new high-severity vulnerability, which could allow an attacker to escalate privileges within an organization’s connected cloud environment. The ...

Get the latest federal technology news delivered to your inbox. The Cybersecurity and Infrastructure Security Agency issued an emergency directive Thursday instructing agencies to take immediate ...

Microsoft this week announced it will be bringing its Extended Security Update (ESU) program for on-premises Exchange Server 2016 and 2019, offering organizations critical protection as they approach ...

Enterprises must soon have subscription licenses for all on prem users and servers. The shift comes with a significant price increase. If you’re an enterprise still hosting on-premises Exchange 2016 ...

UPDATE with latest: Microsoft‘s latest says its “targeted restarts are progressing slower than anticipated for the majority of affected users” after an outage due to an unspecified “recent change” ...

An Iranian threat actor has been ramping up its espionage against Gulf-state government entities, particularly those within the United Arab Emirates (UAE). APT34 (aka Earth Simnavaz, OilRig, ...