outlook security

Microsoft has published guidance on CVE-2026-21260 — a Microsoft Outlook spoofing vulnerability — and the message for administrators is unambiguous: apply every security update that applies to the Outlook and Office components on your systems. In short, if the Security Updates table for...

Microsoft 365’s August 2025 wave of updates marks another major step forward in productivity, collaboration, and security across Teams, Outlook, SharePoint, OneNote, and PowerPoint. With a renewed emphasis on user-centric design, efficient workflows, accessibility enhancements, and data...

Russian state-sponsored hacking campaigns have once again made international headlines, following the UK’s public attribution of a newly discovered malware strain—nicknamed “Authentic Antics”—to the infamous APT28 group, also known as Fancy Bear or Forest Blizzard. This revelation not only draws...

Microsoft Outlook users around the world experienced notable disruptions in email access, highlighting once again how deeply digital productivity tools are woven into the fabric of modern life—both for individuals and enterprises. Reports of the widespread outage surfaced late Wednesday and...

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...

Phishing attacks have evolved far beyond suspicious links in emails or obvious malware-laden attachments; today’s cybercriminals are engineering schemes that bypass even the most robust inbox filters, preying on the everyday habits and default settings trusted by countless Microsoft 365 and...

There’s a growing threat in the digital landscape that preys on trust rather than technical vulnerability. It slips quietly into our daily lives, masquerading not as suspicious spam, but as the kind of corporate communication we expect: a calendar invite. For millions of Microsoft 365 and...

In a significant move to bolster email security, KnowBe4 and Microsoft have announced a strategic integration aimed at enhancing protection for organizations using Microsoft 365. This collaboration introduces KnowBe4 Defend, a solution designed to complement Microsoft's existing email security...

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...

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...

For years, Microsoft Outlook has served as the communications backbone for businesses and individuals alike. With the arrival of Windows 11, Outlook users found themselves at a crossroads between the time-tested classic Outlook and the evolving experience of the new Outlook app. In a move to...

Microsoft's classic Outlook app, widely used through Office 365, has been experiencing a frustrating and significant typing lag issue that users have reported for months. The root cause, Microsoft has now acknowledged, is a serious CPU usage spike—sometimes up to 30-50%—triggered during routine...

Microsoft's classic Outlook client is currently facing a significant performance issue that has drawn user ire and industry attention. Many users have reported that the legacy Outlook version is now turning into a system resource hog, causing CPU usage to spike dramatically—sometimes reaching...

The Classic Outlook Conundrum: Navigating CPU Spikes and Workarounds Microsoft Outlook, a cornerstone of productivity for millions, has lately been the epicenter of a vexing technical dilemma. Users of the classic Outlook version have experienced troubling CPU spikes—sometimes soaring by as much...

Microsoft's classic Outlook client has recently become the center of frustration for many users due to a CPU usage spike bug that causes the application to consume disproportionately high system resources, locking up computers and draining power. This issue, which has been officially confirmed...

Fix Outlook Asking for Password Repeatedly on Windows Outlook’s repeated password prompts are the digital equivalent of that one friend who just can’t remember your name—frustrating and seemingly endless. If you’re a Windows user wrestling with Outlook demanding your credentials over and over...