Intrusion detection
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United States of America Patent
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Jul 21, 2009
Grant Date -
Feb 10, 2005
app pub date -
Oct 17, 2003
filing date -
Aug 4, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A system daemon starts through normal system startup procedures and reads its configuration file to determine which data entities (e.g., directories and files) are to be monitored. The monitoring includes a valid MD5 signature, correct permissions, ownership of the file, and an existence of the file. If any modification are made to the data entities, then the system daemon generates an alarm (intended for the administrator of the host) that an intrusion has taken place. Once an intrusion is detected, then the isolating steps or commands are issued in a real-time continuous manner to protect the host system from attack or intrusion.
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