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Account Takeover Protection Is Now Generally Available!
Mimecast Account Takeover Protection (ATO) is now generally available - detecting compromised user accounts and alerting your security team instantly, complete with the context and recommended actions needed to respond fast. After an early access period beginning in late October 2025, we're thrilled to bring this…
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Introducing the New Mimecast End User Portal!
We're excited to announce the launch of the Mimecast End User Portal - a modern, browser-based application that marks the beginning of a new chapter for how end users access Mimecast services. This release follows previous communications around this ongoing project, last one dating back to December 5, 2025. We have now…
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Introducing API-Based Protection: A New Way to Deploy Mimecast
Mimecast Email Security now supports a new deployment option: API-Based Protection. What has been released? API-Based Protection is a gatewayless deployment that connects directly to Microsoft 365 via API - no MX record changes, no mail flow impact. It scans messages within seconds after delivery and automatically…
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Introducing Multi-Vector Threat Protection
Introducing Multi-Vector Threat Protection: Correlated Intelligence, Complete Protection --- UPDATE (January 19, 2026): Multi-Vector Threat Protection will be made available to all MX-deployed Email Security Cloud Gateway customers by the end of this week. --- We're pleased to announce that Multi-Vector Threat Protection…
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Maximizing Mimecast: Threat Protection - January Webinar Recap
Thank you to everyone who joined our first Maximizing Mimecast webinar of 2026! If you missed it, here's a quick recap of what we covered. You can also watch the full session by following this link to our knowledge base. Multi‑Vector Threat Protection: Smarter Delivery Decisions (Available to Everyone) Senior Product…
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Introducing the New DMARC Analyzer!
Today, we're launching the reimagined DMARC Analyzer - a comprehensive rebuild designed around your feedback, while adding powerful new features. Why the Rebuild? Following Mimecast's 2019 DMARC Analyzer acquisition, we continued to operate it on separate infrastructure. Listening to customer feedback, we recognized we…
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Responding to New Threats: 9 innovations focusing on rapid best practices to stay one step ahead
This is Part 1 of a 2-part series. Please click the link at the end of the article for part 2. Our data suggests that while over 95% of malware attacks still come through email, the skyrocketing popularity of collaboration apps is opening up a new attack surface for hackers to exploit. Tools like Slack, Teams and Zoom are…
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The Impact of New Outlook on Mimecast Products: What You Need to Know
[info callout] An update has been published that contains more recent information. Please see the latest information here. Microsoft's New Outlook represents a significant shift in how organizations interact with their email systems. This transition has important implications for Mimecast customers using products like…
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Update: Impact of New Outlook on Mimecast Products - December 2025
March 2026 Update: New End User Portal with Archive Search (Phase 1) has now been released! Read the community blog for more info! We're providing this update to keep you informed about our progress on delivering Mimecast functionality within Microsoft's New Outlook environment. As we approach the late 2025 timeframe for…
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URL Pre Scanning Available Now!
Stop Malicious URLs Before They Reach Your Users Inbox Email security is evolving, and Mimecast is leading the charge with a fundamental shift in how we protect your organization from URL-based threats. We're excited to announce URL Pre-Delivery Scan—a capability that transforms our approach from reactive protection to…
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Mimecast Global Threat Intelligence Report – Policy Recommendations
Essential Mimecast Configurations Based on 2025 Global Threat IntelligenceThe cybersecurity landscape continues to evolve at breakneck speed, and our 2025 Global Threat Intelligence Report reveals concerning trends that demand immediate attention. Advanced business email compromise attacks are becoming more sophisticated,…
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Microsoft Defender Threat Sharing Integration
The Multi-Vector Threat Reality A successful phishing campaign targeting your employees doesn't end when malicious content reaches an inbox. It extends to endpoint compromise, lateral movement, and data exfiltration. Yet most organizations find themselves managing these interconnected threats through isolated security…
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Administration Console Menu Update
Mimecast is committed to continuously improving the user experience for our customers. As part of this effort, we’re excited to announce upcoming changes to the Administration Console menu. These changes are designed to streamline navigation, reduce complexity, and provide a foundation for future improvements. Why are we…
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Moved: The Impact of New Outlook on Mimecast Products: What You Need to Know
This discussion has been moved.