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Finding large web uploads

 

Data exfiltration usually occurs over standard channels in most organizations because users upload data to Google, Dropbox, Box, smaller file sharing sites, or unlisted drop sites. Since HTTPS is always allowed out, exfiltration becomes easy. You want to protect your organization by finding large file uploads that could point to data exfiltration in your network.

Data required

Proxy data 

How to use Splunk software for this use case

To optimize the search shown in the video, you should specify an index. In addition, this sample search uses Websense data. You can replace this source with any other proxy data used in your organization.

Next steps

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