it security best practices

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...

Excel is on the verge of a significant security evolution as Microsoft introduces new policy changes designed to clamp down on the enduring threat of malware attacks via external links. Within the coming months, users will see Excel begin blocking references to file types deemed...

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...

When it comes to disaster recovery in Microsoft 365, much of the conversation historically has revolved around technical redundancies: backup strategies, automated failover, and robust data protection mechanisms. Yet, as underscored by industry experts John O’Neill Sr. and Dave Kawula during a...

Microsoft has recently issued an urgent alert regarding active cyberattacks targeting its on-premises SharePoint Server software. These attacks exploit previously unknown vulnerabilities, commonly referred to as "zero-day" exploits, allowing unauthorized access to sensitive organizational data...

Microsoft SharePoint Server has been a cornerstone for enterprise collaboration, offering a robust platform for document management, content sharing, and team collaboration. However, its widespread adoption also makes it a prime target for cyber threats. One such significant vulnerability is...

With the countdown to October 2025 ticking ever closer, a sense of urgency is settling over organizations still relying on Windows 10. The UK’s National Cyber Security Centre (NCSC) has issued a stark warning: remaining on Windows 10 after its official end-of-life date leaves organizations...

Microsoft’s July Patch Tuesday rollout has landed with a weighty impact, bringing a total of 127 fixes that touch 14 different product families. Security teams, IT administrators, and Windows enthusiasts will find the scale and diversity of this month’s update notable—not only for the sheer...

The growing sophistication of phishing attempts targeting Microsoft 365 and Outlook users underscores a significant challenge facing both individual users and IT administrators: even widely trusted productivity tools are susceptible to well-crafted scam campaigns that can bypass traditional...

The revelation of a critical security flaw in Microsoft’s Remote Desktop Client, catalogued as CVE-2025-48817, signals a pressing challenge for any organization reliant on Windows-based Remote Desktop Protocol (RDP) infrastructure. The vulnerability, which allows attackers to execute arbitrary...

Microsoft’s July 2025 Patch Tuesday lands with considerable urgency, carrying updates that address a staggering 137 distinct flaws across its ecosystem, including one publicly disclosed zero-day in Microsoft SQL Server. With business, government, and individual users heavily dependent on...

An urgent spotlight has been cast on the Windows ecosystem with the disclosure of CVE-2025-49742, a critical remote code execution (RCE) vulnerability impacting the Microsoft Graphics Component. This security flaw, documented by Microsoft in its Security Update Guide, serves as a potent reminder...

A critical security vulnerability, identified as CVE-2025-49659, has been discovered in the Windows Transport Driver Interface (TDI) Translation Driver, specifically within the tdx.sys component. This flaw allows authorized attackers to elevate their privileges locally by exploiting a buffer...

The Windows Notification Elevation of Privilege Vulnerability, identified as CVE-2025-49726, represents a significant security concern within the Windows operating system. This vulnerability arises from a "use after free" flaw in the Windows Notification system, which can be exploited by an...

The Windows Input Method Editor (IME) is a crucial component in the Windows operating system, enabling users to input complex characters and symbols, particularly for languages such as Chinese, Japanese, and Korean. However, vulnerabilities within the IME have been identified over the years...

Windows Routing and Remote Access Service (RRAS) has long been relied upon for powering remote connectivity and VPN solutions across enterprise, education, and government networks. But in a new security advisory, CVE-2025-49671, Microsoft has detailed a significant information disclosure...

The Remote Desktop Protocol (RDP) has long been a cornerstone for remote system management and access within Windows environments. However, its widespread use has also made it a prime target for cyber threats. The recent disclosure of CVE-2025-33054, a Remote Desktop Client Spoofing...

In countless organizations, USB device management remains a cornerstone of endpoint security strategy—and for good reason. The ability to block, restrict, or finely control access to removable storage devices by policy is critical in thwarting “sneakernet” malware, preventing unauthorized...

Sophisticated cybercriminals have recently demonstrated yet another way to exploit trust in internal communications—this time, by leveraging a Microsoft 365 feature originally intended for convenience. The Varonis Managed Data Detection and Response (MDDR) forensic team has uncovered a striking...

Microsoft is set to implement significant security enhancements for Windows 365 Cloud PCs starting in late 2025. These changes aim to bolster the security posture of Cloud PCs by modifying default settings and introducing advanced protective features. Disabling Device Redirections by Default To...