IT Security/Threats/Threat Mitigation/Intrusion Detection Systems

An intrusion detection system (IDS) is a device or software application that monitors a network or systems for malicious activity or policy violations. There are some free and open source products available on the market such as:

  • ACARM-ng
  • AIDE
  • Bro NIDS
  • Fail2ban
  • OSSEC HIDS
  • Prelude Hybrid IDS
  • Sagan
  • Samhain
  • Snort, GPLv2+ developed by Cisco.
  • Suricata

References

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