July's toolsmith discusses NetWitness Investigator, "an interactive threat analysis application that lets you perform unprecedented free-form contextual analysis of raw network data."   

For August, we'll take a close look at Suricata , an open source multi-threaded intrusion detection/prevention engine from the Open Information Security Foundation.

toolsmith offers insights on tools useful to the infosec practitioner, typically open source and free.
The ISSA Journal is available to members in print and online at issa.org. Article copies are available on the toolsmith page.