"Open Source Tripwire"@en . . . "Open Source Tripwire is a free software security and data integrity tool useful for monitoring and alerting on specific file change(s) on a range of systems. The project is based on code originally contributed by Tripwire, Inc. in 2000.Open Source Tripwire functions as a host-based intrusion detection system."@en . . "2.4.2.2" .