OSSIM – feature-rich open source SIEM

OSSIM (Open Source Security Information and Event Management) is an open source security information and event management system, integrating a selection of tools designed to aid network administrators in computer security, intrusion detection and prevention.

This SIEM is complete with event collection, normalization and correlation. The software was created specifically to address the reality many security professionals face.

OSSIM is free and open source software.

Features include:

  • Asset discovery.
  • Vulnerability assessment.
  • Intrusion detection.
  • Behavioral monitoring.
  • SIEM event correlation.
  • OSSIM features the following software components:
    • PRADS, used to identify hosts and services by passively monitoring network traffic.
    • Snort, used as a popular network intrusion detection system (IDS), and also used for cross correlation with OpenVAS.
    • Suricata, used as an IDS. Suricata also offers intrusion prevention, network security monitoring and PCAP processing.
    • Nagios, used to monitor hosts and specified ports for asset availability as well as full local system monitoring.
    • Tcptrack, used for session data information which can grant useful information for attack correlation.
    • Munin, for traffic analysis and service watchdogging.
    • NFSen/NFDump, used to collect and analyze NetFlow information.
    • FProbe, used to generate NetFlow data from captured traffic.
    • OpenVas, is used for vulnerability assessment and associated to assets.
    • OSSIM also includes self developed tools, the most important being a generic correlation engine with logical directive support and logs integration with plugins.

Website: cybersecurity.att.com/products/ossim
Support:
Developer: AT&T Cybersecurity
License: GNU General Public License


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