All of this works seamlessly with network DLP, but when you try to do the same thing with endpoint DLP, you come up against performance and scalability issues. That's because the agents installed on each PC have to communicate with a central server to determine whether the data is part of a checked-in document.
This will all be resolved in future releases, the endpoint DLP vendor assures us. That doesn't help us now, though, so we'll either have to deploy network sensors at all of our remote offices or accept the decreased functionality that we'll get with endpoint DLP.
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