Microsoft Defender

What Microsoft’s Year of Email Security Data Reveals About Your Threats In June 2026, Microsoft published a comprehensive analysis of email security data collected over the preceding twelve months. The report, based on telemetry from Microsoft Defender for Office 365, covers the threats that organizations face most often, the configurations that leave them exposed, and the benchmarks that security teams can use to measure their own defenses. For any IT professional or business owner responsible for email security, it is a practical dataset worth understanding. ...

Email security risks to watch before you click or reply A year’s worth of data from Microsoft’s email security systems offers a rare, large-scale look at how attackers are targeting inboxes today. While the benchmark was designed for enterprise administrators, many of the patterns apply just as much to personal Outlook.com or Microsoft 365 accounts. Understanding what the data shows—and what it doesn’t—can help you make smarter decisions about your own email defences. ...

What Microsoft’s new email security benchmark reveals about phishing and misconfigurations Microsoft recently published its first annual email security benchmarking report, based on a year’s worth of telemetry from Defender for Office 365. The report is meant to give organizations a clearer picture of the threats hitting their inboxes and, just as importantly, where their own configurations are leaving gaps. If you manage a Microsoft 365 tenant – or if you’re a security-conscious user trying to understand what your IT team should be checking – the findings are worth a close look. ...

Microsoft’s Email Security Data: What a Year of Attacks Reveals and How to Stay Safe In June 2026, Microsoft published the first full-year benchmark report for its Defender for Office 365 email security service. The report covers threat patterns observed across millions of enterprise mailboxes over twelve months. While the data comes from business environments, the tactics attackers use—credential phishing, impersonation, and malicious links—are the same ones that end up in personal inboxes every day. Understanding what the numbers show can help anyone, not just IT teams, make smarter decisions about their own email security. ...

What Microsoft’s Year of Email Security Data Reveals About Your Inbox Risk Email remains the most exploited entry point for cyber attacks. Last month, Microsoft published a year’s worth of benchmarking data from Microsoft Defender for Office 365, giving IT administrators and security professionals a rare look at the actual threat volumes, detection rates, and false positive trends their systems face. This article unpacks the key findings and translates them into practical steps you can take today. ...

What Microsoft’s Year-Long Email Security Data Reveals About Protecting Your Inbox Email remains the primary vector for cyberattacks, and for good reason: it’s ubiquitous, it’s trusted, and one wrong click can compromise an entire organization. Microsoft recently published findings from a year-long benchmarking study of its Defender for Office 365 email security platform, covering data from June 2025 through June 2026. The report offers a rare look at the volume and types of threats that actually reach users, as well as how well the built-in protections perform. Here’s what stood out and what it means for anyone who uses email. ...

What Microsoft’s Email Security Benchmark Reveals About Today’s Phishing Threats Last week Microsoft released its first full year of email security data from Defender for Office 365. The benchmark aggregates anonymized threat detection rates across millions of Microsoft 365 mailboxes. While the numbers come from a corporate security product, the patterns are relevant to anyone who uses email — which is everyone. ...

Microsoft’s Year of Email Security Data: What It Means for Your Inbox If you use email – and nearly everyone does – you’ve probably wondered how many malicious messages actually get through. Microsoft recently published a detailed report based on a full year of real-world email traffic processed by Microsoft Defender for Office 365. The data offers a concrete look at the threats that are most common, how well automated defenses handle them, and what that means for people who rely on free or paid email services. ...

What Microsoft’s Year of Email Security Data Reveals About Protecting Your Inbox Introduction Email remains the most common way attackers try to reach people. Every day, millions of malicious messages land in inboxes around the world. Recently, Microsoft published a detailed report based on one year of data from its Defender service, covering the threats it detected and blocked. While the report was written for security professionals, the patterns it reveals are directly useful for anyone who uses email. This article translates those findings into practical advice for everyday readers. ...

What Microsoft’s Latest Email Security Data Tells Us About Protecting Your Inbox Every day, millions of emails land in our inboxes. Most are legitimate, but a growing number carry threats designed to steal passwords, spread malware, or trick us into sending money. Microsoft recently released a year-long benchmark of email threats detected and blocked by its Defender for Office 365 platform. The data covers patterns from millions of users and provides a rare, real-world view of what attackers are actually doing today. ...