Intrusion Detection

An IDS is an application that monitors a network or computer system for malicious activity or policy violations, and notifies you of any unusual or unexpected events. If you are running a server, then it's essential to know about an incident as soon as possible, in order to minimize damage.

  • Kismet

    Kismet

    kismetwireless.net

    An 802.11 layer2 wireless network detector, sniffer, and intrusion detection system.

    Open Source
    kismetwireless/kismet 2.2k 382 206 No License C++
  • OSSEC is an Open Source host-based intrusion detection system, that performs log analysis, integrity checking, monitoring, rootkit detection, real-time alerting and active response.

    Open Source
    ossec/ossec-hids 5.0k 1.1k 150 GPL-2.0 C
  • picosnitch helps protect your security and privacy by "snitching" on anything that connects to the internet, letting you know when, how much data was transferred, and to where. It uses BPF to monitor network traffic per application, and per parent to cover those that just call others. It also hashes every executable, and will complain if some mischievous program is giving it trouble.

    Open Source
    elesiuta/picosnitch 994 41 0 GPL-3.0 C
  • SNARE (System iNtrusion Analysis and Reporting Environment) is a series of log collection agents that facilitate centralized analysis of audit log data. Logs from the OS are collected and audited. Full remote access, through a web interface easy to use manually, or by an automated process.

    Not Open Source
  • Zeek

    Zeek

    zeek.org

    Zeek (formally Bro) Passively monitors network traffic and looks for suspicious activity.

    Open Source
    zeek/zeek 7.9k 1.4k 245 No License C++
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