Cisco Systems will announce new intrusion-protection software and firewall enhancements, including functionality designed to lower IT staffing costs by drastically reducing false or irrelevant system-intrusion alarms.

Cisco officials said a major upgrade, Cisco Intrusion Detection System (IDS) 4.0, will accompany the rollout of new Cisco Threat Response technology that's aimed at reducing incidents of false intrusion alarms by 95%. The company will also announce upgraded management features for IDS 4.0, as well as an intrusion-detection sensor appliance and a second-generation version of the IDS software for its Catalyst 6500 switch.

In addition, Cisco will upgrade the software for its PIX Firewall appliances and unveil a virtual private network accelerator card that it said should provide performance improvements of up to 400% on networks that use the Data Encryption Standard and other specifications.

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