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Monitoring use of Git repositories

To facilitate team member collaboration, your organization uses cloud-based code collaboration and version control for sharing computer program source code and associated documentation. This system allows for sharing but also introduces the potential of intellectual property loss via data exfiltration through a systems breach or insider threat. You need some fundamental procedures for detecting insider threat behavior that could be indicative of data exfiltration. Your challenge is being able to separate out normal access to anomalous access. You can use Splunk software to monitor who is accessing specific Git repositories, what actions they take in those repositories, and how their activities compare to those of their peers. You can identify first-time access to repos and compare what is accessed with the role and responsibilities of the identity making the access. You can use Splunk software for statistical analyses like frequency, patterns of access, and time of day information. These approaches use correlations and enrichment.

Required data

How to use Splunk software for this use case

You can run many searches with Splunk software to monitor use of Git repositories. Depending on what information you have available, you might find it useful to identify some or all of the following: 

Next steps

To maximize their benefit, the how-to articles linked in the previous section likely need to tie into existing processes at your organization or become new standard processes. These processes commonly impact success with this use case: 

  • Identity management with roles, responsibilities, teams, and current project assignments to aid in identifying anomalous access from inside. 

Measuring impact and benefit is critical to assessing the value of IT operations. The following are example metrics that can be useful to monitor when implementing this use case:

  • Access counts by user to detect anomalous patterns
  • Count of downloads to detect anomalous increases

The content in this article comes from Splunk Security Essentials (SSE), a free application with a security content library that contains over 600 pre-built security detections and analytic stories. With SSE, you can centralize analysis and visibility across your multi-layered security environment, use pre-made visualizations to improve your security posture, and further operationalize industry frameworks.

These additional Splunk resources might help you implement this use case:

Still need help with this use case? Most customers have OnDemand Services per their license support plan. Engage the ODS team at OnDemand-Inquires@splunk.com if you require assistance.