Sourcefire this week is expected to announce add-on software called Intrusion Agent for its intrusion-detection system freeware Snort. The add-on will let the freeware version of Snort work with an ...

False positives and data management are two of the most frustrating aspects of using an intrusion-detection system, but a new version of Snort, the freely available IDS that we use, has greatly ...

If a firewall is like having a security guard at your office door, checking the credentials of everyone coming and going, then an intrusion-detection system (IDS) is like having a network of sensors ...