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    Free SIEM

      Microsoft 365 Security Monitoring

      Simplify security by improving your Microsoft 365 cloud security with detection, response, and reporting in one easy-to-use platform.

      Try XDR free for 30 days

      Free Microsoft 365 Cloud Security

      Traditional SIEMs can take months to get fully operational. That’s why we designed the Blumira SIEM platform so any IT team can get out-of-the-box detection and response in minutes. With the Blumira Free edition you get:

      Efficient
      No Data Limits

      Microsoft 365 security coverage for unlimited users and data
      24-7 Support
      Deploy in 30 Minutes

      Easy, agentless integration setup with Cloud Connectors
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      Out-Of-The-Box Detections

      Detections automatically rolled out to your account, fine-tuned to filter out noise
      Data Insights
      Security Insights

      A summary dashboard of key findings and security reports
      Smart Automation
      Guided Response

      Each finding comes with a playbook to guide you through threat response

      How Blumira Detects M365 Common Attacks

      See how Blumira stops these common attacks before they begin.

      • User & Access Security

        Monitor Microsoft 365 Login Activity

        Attackers may attempt to take over legitimate user accounts in your Microsoft 365 environment to gain initial access or move around laterally. Blumira detects:

        • Whenever multi-factor authentication (MFA) is disabled for an Azure Active Directory (AD) user

        • Anomalous access attempts or the creation or deletion of an application password

        • Any time a user clicks on a malicious URL or is restricted from sending an email

        • Any impossible travel activity, indicating unauthorized access

        • Multiple failed user logon attempts

      • Detect Privilege Escalation

        Detect Privilege Escalation

        Easily detect when Microsoft Exchange administrator privileges are elevated, which could indicate an attacker is attempting to gain additional permissions within your environment. Blumira identifies and sends you playbooks to respond to:

        • Privilege escalation

        • Creation of forwarding and redirect rules

        • Suspicious inbox rule creation

        Attackers may use inbox rules to remove or delete emails in order to lengthen the amount of time before a compromise is detected.

      • Stop Data Exfiltration

        Stop Data Exfiltration

        Secure your data by detecting signs that an attacker or malicious insider is stealing your organization’s information. Blumira identifies:

        • When files are shared with personal email addresses

        • Mass file downloads

        • Whenever an email send limit is exceeded. This will protect against spam campaigns

      • Track Ransomware Activity

        Malware & Ransomware Indicators

        By detecting indicators of malware and ransomware early, Blumira helps your organization act quickly to minimize impact. Get alerted to:

        • High rate of file uploads or deletion activity that could indicate an adverse encryption process

        • Malware campaigns detected in SharePoint and OneDrive

        • Malware campaigns detected after mailbox delivery

        • Failed zero-hour auto purge when Microsoft’s email protection features are disabled

      • Identify Unusual Microsoft 365 Activity

        Identify Unusual Microsoft 365 Activity

        Blumira tracks anomalous activity in your environment:

        • Any activity from anonymous or suspicious IP addresses

        • Activity from infrequent countries or terminated users

        • Unusual external file behavior

        • Increases in phishing emails or ISPs (internet service providers) for an OAuth application

        • Suspicious email sending patterns

      • Reports & Summary Dashboard

        Dig Deeper With Microsoft 365 Security Reports

        With the Blumira free Microsoft SIEM solution, you can gain greater insight into security trends over time with basic reporting on:

        • Disabled accounts, deleted contacts, and any group changes
        • Password changes or resets, and user or device added
        • Failed user login attempts, overall login reports, and logins outside of North America
        • Impossible travel activity and successful logins outside of the U.S.
        • SharePoint files previewed or accessed

        Upgrade to any paid edition for advanced reporting features, including the ability to schedule reports to run periodically.

      Monitor Microsoft 365 Login Activity

      Attackers may attempt to take over legitimate user accounts in your Microsoft 365 environment to gain initial access or move around laterally. Blumira detects:

      • Whenever multi-factor authentication (MFA) is disabled for an Azure Active Directory (AD) user

      • Anomalous access attempts or the creation or deletion of an application password

      • Any time a user clicks on a malicious URL or is restricted from sending an email

      • Any impossible travel activity, indicating unauthorized access

      • Multiple failed user logon attempts

      Detect Privilege Escalation

      Easily detect when Microsoft Exchange administrator privileges are elevated, which could indicate an attacker is attempting to gain additional permissions within your environment. Blumira identifies and sends you playbooks to respond to:

      • Privilege escalation

      • Creation of forwarding and redirect rules

      • Suspicious inbox rule creation

      Attackers may use inbox rules to remove or delete emails in order to lengthen the amount of time before a compromise is detected.

      Stop Data Exfiltration

      Secure your data by detecting signs that an attacker or malicious insider is stealing your organization’s information. Blumira identifies:

      • When files are shared with personal email addresses

      • Mass file downloads

      • Whenever an email send limit is exceeded. This will protect against spam campaigns

      Malware & Ransomware Indicators

      By detecting indicators of malware and ransomware early, Blumira helps your organization act quickly to minimize impact. Get alerted to:

      • High rate of file uploads or deletion activity that could indicate an adverse encryption process

      • Malware campaigns detected in SharePoint and OneDrive

      • Malware campaigns detected after mailbox delivery

      • Failed zero-hour auto purge when Microsoft’s email protection features are disabled

      Identify Unusual Microsoft 365 Activity

      Blumira tracks anomalous activity in your environment:

      • Any activity from anonymous or suspicious IP addresses

      • Activity from infrequent countries or terminated users

      • Unusual external file behavior

      • Increases in phishing emails or ISPs (internet service providers) for an OAuth application

      • Suspicious email sending patterns

      Dig Deeper With Microsoft 365 Security Reports

      With the Blumira free Microsoft SIEM solution, you can gain greater insight into security trends over time with basic reporting on:

      • Disabled accounts, deleted contacts, and any group changes
      • Password changes or resets, and user or device added
      • Failed user login attempts, overall login reports, and logins outside of North America
      • Impossible travel activity and successful logins outside of the U.S.
      • SharePoint files previewed or accessed

      Upgrade to any paid edition for advanced reporting features, including the ability to schedule reports to run periodically.

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      Upgrade to Paid Editions

      Unlock Greater Security Support & Coverage

      It’s easy to upgrade to a paid edition including SIEM Pro, SIEM +, and XDR for:

      • 24/7 Support – Blumira’s security operations team is available to help with urgent priority issues, onboarding, and guided response

      • Endpoint Visibility - Identify and prioritize endpoint risks, reduce your attack surface and prevent data loss with Blumira Agent.

      • Expanded Coverage – Gain broader visibility across your entire environment with additional cloud and on-premises third-party integrations

      • Automated Response – Block threats immediately through Blumira’s platform with automatic host isolation and dynamic blocklists to reduce manual remediation

      • Extended Data Retention – Get one year of on-demand access to log data, ideal for compliance and cybersecurity insurance

       View plans & pricing

      Helping IT Teams Protect Their Microsoft Environment

      Hear what our customers are saying.

      “I researched a number of SIEM providers online and found most were way out-of-the-ballpark expensive, required a lot of infrastructure and didn’t provide a great return on our investment.”

      Fritz Ludemann
      Information Systems Administrator The City of Crescent City

      “ Blumira added a new detection for malicious PowerShell activity. It flagged some activity in our environment. Blumira’s SecOps team immediately jumped on, saw that the scripts were legitimate activity coming from the Microsoft System Center monitoring agents, notified us that the alert was a false positive and that they had updated the detection rules for us.”

      Matt Varblow
      VP of Engineering Services, AdvantageCS

      “ For a certain size of customer with no staff or only one security staff member, Blumira is an absolute godsend.”

      Jason Waits
      CISO, Inductive Automotive

      Get Started for Free

      Experience the Blumira Free SIEM, with automated detection and response and compliance reports for 3 cloud connectors, forever.

      Sign Up