Prelude is an Hybrid IDS framework, that is, it is a product that enable all available security application, be it opensource or proprietary, to report to a centralized system.
Bleeding Edge Threats is a center for Open Security Research.
file integrity / intrusion detection system
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Still want to use google even if you think its too curious ?
It runs without any special permissions and uses the FUSE library and Linux kernel module to provide the filesystem interface.