Ellen Messmer

A group of 30 computer security researchers who set up inexpensive

Mazu Networks, which makes equipment to stop distributed denial-of-service attacks, last week said it has added a way to determine what legitimate traffic is being filtered out in the process.

Union Pacific Corp., the largest rail system in North America, has installed a high-security speech-recognition system that corporate customers, such as The Home Depot Inc., Monsanto Co. and Dow Chemical Co., are using to schedule rail car movement in and out of train yards.

Netegrity

The RSA Conference 2002 shined a spotlight this week on the accomplishments of many different security software vendors, including IBM Corp., Sun Microsystems Inc. and VeriSign Inc.

The CERT Coordination Center has warned that a broad array of network equipment used on the Internet may be vulnerable to an SNMP-related attack that could cause equipment to fail or allow an attacker to take control of it.

The new breed of gigabit-speed intrusion-detection systems cannot plow through IP traffic fast enough to provide blanket protection on networks running at gigabit speed, according to industry experts.

Financial services firm Bear, Stearns & Co. Inc. is making its long-planned move into a new 43-floor Manhattan headquarters, which will be equipped with what still has to be considered one of the most cutting-edge network technologies: IP-based voice, data and video over Gigabit Ethernet.