Splunk is a general tool for analysing data in huge IT infrastructures. It consists of different tools that can be utilized in different contexts. With the “Splunk App for Enterprise Security” potential threats and security incidents can be observed, analysed and classified. Users of the app are presented with a web dashboard that visualizes different aspects of the network.

Snort is an open source intrusion detection/prevention system (IDS/IPS) developed by Sourcefire. It is the most used IDS/IPS worldwide. Snort alone has no GUI to interact with, but it’s possible to connect several other Network Security Monitoring systems with it, like Snorby, BASE, OSSIM.

ACARM (Alert Correlation, Assessment and Reaction Module) is a tool that correlates alerts sent by host and network sensors into groups and in that way reducing the amount of messages that need to be viewed by a sytem administrator. There is a Web GUI that let’s the admin observe the different kinds of alerts with different graphical representations like, for example, pie charts, bar charts or more advanced. Different kinds of alerts are color coded on a color scale from green to red, green being just information, while red being critical.