email security

Microsoft has unveiled a new security feature within its Defender for Office 365 suite aimed at mitigating the rising threat of email bombing attacks. This feature, termed "Mail Bombing Detection," is designed to automatically identify and quarantine high-volume email flooding campaigns that...

Microsoft’s recent expansion of its Defender for Office 365 platform signals another significant step toward creating a holistic, adaptive, and integrated email security solution for enterprises navigating increasingly complex threat landscapes. The latest announcement introduces a broad ICES...

As enterprise technology races forward at a breakneck pace, organizations are reaping the rewards of digital transformation—bolstered by cloud adoption, generative AI tools, and a sprawling SaaS ecosystem. Yet, while the benefits of this connectivity are clear, the dramatic expansion of the...

In the first week of June, the cybersecurity landscape took another sobering turn when The Washington Post fell victim to a targeted email account compromise. Multiple Microsoft 365 work email accounts belonging to journalists were breached, prompting urgent password resets and a rapid...

Microsoft's continuous evolution of its 365 suite brings a host of new features aimed at enhancing user productivity and experience. Recent updates to Outlook, Copilot, and Teams introduce functionalities that address longstanding user requests and integrate advanced AI capabilities. Outlook...

In the evolving landscape of digital communication, email security remains a critical front in the ongoing battle against cyber threats. Microsoft Outlook, the flagship email client serving hundreds of millions globally, has not just become a cornerstone of enterprise productivity but also a...

In a significant development within the managed service provider (MSP) security sector, CyberSentriq has emerged from stealth mode, aiming to fortify small and medium-sized business (SMB) environments. This London-based startup, backed by private equity firm Bregal Milestone, is the result of a...

Microsoft has announced a significant update regarding the deprecation of Basic Authentication (Basic Auth) for Exchange Online's Client Submission (SMTP AUTH). Originally slated for permanent removal in September 2025, the timeline has been extended to begin on March 1, 2026, with complete...

For years, Microsoft Outlook has been both a staple of business productivity and a touchstone for the everyday user needing a reliable email client on Windows. Yet, as technology increasingly demands flexibility, resilience, and an uninterrupted workflow regardless of internet connectivity, the...

A wave of fortified digital privacy will soon sweep through enterprise communications, as Microsoft prepares to introduce a pivotal security feature for Outlook: the two-click view for encrypted emails. Branded as an intentional guardrail against accidental data leaks, this enhancement suggests...

Organizations across the globe are contending with a staggering rise in highly advanced phishing attacks that specifically target Microsoft 365 and Google accounts. At the heart of this surge is the Adversary-in-the-Middle (AitM) technique—a significant evolution in cybercriminal methodology...

In recent developments, cybersecurity researchers have uncovered a critical vulnerability in Microsoft Copilot, an AI-powered assistant integrated into Office applications such as Word, Excel, Outlook, and Teams. Dubbed "EchoLeak," this flaw enables attackers to exfiltrate sensitive data from a...

Microsoft has recently announced the addition of two significant data tables—CampaignInfo and FileMaliciousContentInfo—to its Defender XDR advanced hunting capabilities. This enhancement aims to bolster threat detection and investigation within Microsoft 365 environments, providing security...

Outlook users are about to experience a new layer of email security as Microsoft expands its efforts to safeguard users from sophisticated attack vectors. In July, Microsoft will block two additional file attachment types—.library-ms and .search-ms—within Outlook, specifically targeting the...

As Microsoft continues its campaign to tighten security across its productivity platforms, Outlook users will soon notice new restrictions designed to combat sophisticated phishing attacks and malware infiltration attempts. Beginning July 2025, the company will expand the list of blocked file...

In a continuous effort to bolster email security, Microsoft has announced an expansion of its list of blocked file types for attachments in Outlook on the Web and the New Outlook for Windows. Starting in early July 2025, the company will add two new file extensions to the BlockedFileTypes list...

In early 2025, a critical security vulnerability identified as CVE-2025-47176 was discovered in Microsoft Outlook, posing significant risks to users worldwide. This flaw allows authorized attackers to execute arbitrary code on a victim's system by exploiting a specific path traversal sequence...

Microsoft Outlook, as one of the most widely adopted email clients across enterprise and consumer environments, frequently finds itself at the center of security research and, consequently, vulnerability bulletins. Cases of remote code execution (RCE) vulnerabilities within Outlook have...

Rocketseed has announced new enhancements for its Microsoft 365 email signature management add-in, aimed specifically at improving the mobile experience for both senders and recipients. Here’s a summary of the main points from the release: Key Enhancements: Signature on Compose for Mobile...

Protecting your digital identity has never been more important—or more challenging. With personal data breaches, spam deluges, and rampant ad tracking now part of everyday digital life, even tech-savvy users often find themselves searching for new layers of privacy and control. Over the years...