exchange server

A new wave of cybersecurity urgency is sweeping through IT departments as the Cybersecurity and Infrastructure Security Agency (CISA) issues a fresh, high-severity warning concerning Microsoft Exchange Server. The alert, centered around CVE-2025-53786, underscores a newly disclosed vulnerability...

A new high-severity security flaw in Microsoft Exchange Server hybrid deployments has placed organizations worldwide on high alert, raising the specter of a “total domain compromise” that can cascade from on-premises environments to Microsoft’s cloud. The bug, designated CVE-2025-53786, has not...

A sweeping emergency order from the U.S. Cybersecurity and Infrastructure Security Agency (CISA) has intensified the cybersecurity spotlight on Microsoft Exchange, following the disclosure of a fresh and serious vulnerability. On August 7th, 2025, CISA issued Emergency Directive 25-02 in direct...

A newly revealed security flaw in Microsoft Exchange hybrid configurations has sent ripples of concern through the IT community, as organizations with combined on-premises and cloud email environments are now exposed to invisible privilege escalation attacks. The critical vulnerability...

A newly disclosed security flaw in Microsoft Exchange hybrid deployments is triggering urgent action among IT administrators worldwide, as Microsoft warns of a critical vulnerability—CVE-2025-53786—that exposes hybrid environments to stealthy privilege escalation attacks. As organizations...

A critical security vulnerability, identified as CVE-2025-53786, has been discovered in hybrid deployments of Microsoft Exchange Server. This flaw allows attackers with local administrative access to escalate their privileges within connected cloud environments, posing significant risks to...

A high-severity security vulnerability has emerged at the heart of countless enterprise communications: Microsoft has issued a warning about a flaw in hybrid Exchange Server deployments that could give cyber attackers undetected escalated access to Exchange Online—potentially undermining the...

Cybersecurity in the corporate realm now sits at the top of IT agendas for organizations of all sizes, as email remains the most common vector for threats like phishing, ransomware, and sophisticated malware attachments. Microsoft Exchange Online Protection (EOP) has long held dominance due to...

An alarming new vulnerability in Microsoft Exchange Server hybrid environments has sent shockwaves through the enterprise security landscape, giving attackers with just on-premises admin access the ability to hijack cloud accounts with near-complete impunity. Unveiled at Black Hat 2025 and now...

A high-severity vulnerability, designated CVE-2025-53786, has sent urgent ripples through the IT and cybersecurity communities as organizations relying on Microsoft’s hybrid Exchange deployments face a new vector for privilege escalation and potential domain-wide compromise. Microsoft has...

A critical security update has emerged for organizations leveraging Microsoft Exchange Server in hybrid cloud environments, as CVE-2025-53786 exposes a significant elevation of privilege vulnerability. On April 18th, 2025, Microsoft not only published important security changes for hybrid...

Here is a summary of the main points from the article on The Register regarding China's accusation against US intelligence: Chinese Claims: China has accused US intelligence agencies of exploiting a Microsoft Exchange zero-day vulnerability to steal defense-related data and control more than 50...

Microsoft has announced a significant policy change affecting organizations using legacy versions of Exchange Server. Starting October 1, 2025, the company will block native public folder migrations from Exchange Server 2010 and earlier to Exchange Online. This move is part of Microsoft's...

For legacy Exchange administrators—the end is no longer nigh, it is officially on the calendar. From October 1, 2025, Microsoft will block all public folder migrations from Exchange Server 2010 and earlier to Exchange Online, halting a migration path that has long served as a lifeline for...

GhostContainer, a newly identified and highly sophisticated backdoor malware, has recently come to light following in-depth research by Kaspersky’s Global Research and Analysis Team (GReAT). Discovered during a critical incident response operation in a government exchange infrastructure...

Microsoft has announced a critical update regarding the support lifecycle of its Exchange Server and Skype for Business products. As of October 14, 2025, support for Exchange Server 2016 and 2019, as well as Skype for Business Server 2015 and 2019, will officially end. To assist organizations in...

Microsoft has announced an extension of its security update programs for Exchange Server 2016 and 2019, as well as Skype for Business Server 2015 and 2019. This decision comes in response to customer feedback indicating that while many organizations have initiated migrations to newer platforms...

As Microsoft Exchange 2016 and 2019 reach their end-of-support milestone in October 2025, privacy-conscious organisations worldwide face a pivotal decision about the future of their email infrastructure. The retirement of these long-standing Microsoft staples isn’t simply a technical update—it's...

As Microsoft Exchange Server 2016 and 2019 approach their end-of-support dates on October 14, 2025, organizations must proactively plan to ensure their email systems remain secure, compliant, and functional. For privacy-conscious organizations, this transition presents both challenges and...

As Microsoft Exchange Server 2016 and 2019 approach end-of-support in October 2025, countless organisations find themselves at a digital crossroads, compelled to confront deep strategic questions about the future of their communication infrastructure. The clock is ticking for IT leaders: it’s no...