Thinking specifically about an attack on our network, how could we monitor or what tools are out there for preventing data theft from our network? I'm talking about suddenly a large amount of data leaving our network which may be as a result of a compromise. Is there anything that could identify this?
We do use LANGaurdian here and there which has a quota function I believe but I'm not sure if this is for users. I.e. it alerts when a user exceeds their daily quota, not necessarily when an unknown or external user is shifting vast amount of data from a file server.
The issue is, you need to be context aware, and data doesn't have to leave all at once, it can be siphoned slowly which is actually how a lot of the elite groups do their exfiltration. You need to look
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