Open Source Siem

A siem whether it is open source or commercial is virtually useless without the basic security controls necessary for security visibility.

Open source siem.

Open source siem and free siem tools can seem like the solution. The open source version of alienvault s unified security management usm offering ossim is probably one of the more popular open source siem platforms. It professionals have noted the difficult setup process and the intensive upfront labor required to customize it. Launched by security engineers because of the lack of available open source products alienvault ossim was created specifically to address the reality many security professionals face.

As an organization grows open source siem software can become labor intensive. With ossim users get a powerful siem open source tool with the logging and monitoring elements of sem and the threat assessment automated responses and data synthesis of sim. An organization may save money on licensing costs but spend money on continual maintenance. This allows it professionals to modify and share the tools code much more freely offering important customizability and adaptability.

That said the tool has potential drawbacks. It experts across the globe share their knowledge and experience to tweak open source siem code meaning the tool itself is constantly evolving. Ossim includes key siem components namely event collection processing and normalization and most importantly event correlation.