Cybersecurity Benchmarks

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 Today’s Threats Email remains the most common entry point for cyberattacks. That’s not a new claim, but the scale of the problem is easy to underestimate. Microsoft recently published a comprehensive year-long benchmark of email security threats detected by Microsoft Defender for Office 365. The data covers mid-2025 through mid-2026 and gives us a rare, large-scale look at what attackers are actually doing and how well defenses hold up. ...

What Microsoft’s Year-Long Email Security Study Means for Your Inbox In June 2026, Microsoft published a detailed analysis of a year’s worth of email security data collected from Microsoft Defender. The report covers how many phishing and malware emails were blocked, how quickly threats were detected, and what types of attacks are most common. While the data comes from Microsoft’s own systems (and reflects their perspective), it offers a useful snapshot of the current threat landscape for anyone who relies on email—which is essentially everyone. ...