Blumira Free _hot_ Jun 2026
| Feature | Blumira Free | Blumira Paid (Pro/Enterprise) | | :--- | :--- | :--- | | | Limited by log volume/day (sufficient for small orgs). | Higher volume limits / Custom. | | Log Retention | Typically 30 days. | Extended retention (up to 1 year or more). | | Response Actions | Manual. Alerts are sent via email/Slack; user must manually remediate. | Automated. Automated blocking and remediation capabilities. | | Users | Limited number of users. | Unlimited users with role-based access control (RBAC). | | Support | Community support and documentation. | Priority support and dedicated Customer Success Manager. |
was a popular, entry-level Security Information and Event Management (SIEM) edition designed specifically for small businesses to monitor cloud environments like Microsoft 365 at no cost. blumira free
| Feature | Availability | |---------|--------------| | Log sources | Up to 3 | | Daily log volume | 1 GB | | Retention period | 7 days | | Cloud SIEM core rules | ✅ Yes | | Pre-built detection rules | ✅ Yes | | Alerting (email) | ✅ Yes | | Community support | ✅ Yes | | 24/7 phone/chat support | ❌ No | | Compliance reporting | ❌ No | | Feature | Blumira Free | Blumira Paid
| Problem | Solution | |---------|----------| | Collector not sending logs | Check sudo systemctl status blumira-collector or docker logs | | "License limit reached" | You added >3 log sources. Remove one: | | No alerts for known attacks | Verify rule is enabled and logs are arriving (Search for the event ID) | | High CPU on collector | Reduce log verbosity (e.g., Windows: turn off PowerShell script block logging) | | Extended retention (up to 1 year or more)
Blumira Free is not merely a log viewer; it is a functional detection and response engine. Its core capabilities include:
Blumira Free democratizes cybersecurity by removing the barriers of cost and complexity. By providing a powerful, easy-to-use tool for Microsoft 365 monitoring, it allows IT teams to stop "flying blind" and start defending their digital perimeter effectively.