Turning off cellphones or even locking them in metal boxes won't be enough to keep them hidden with a new phone detector introduced on Monday.

Sprint Nextel and Softbank have pledged to keep Huawei Technologies products out of the Sprint network and try to replace Huawei gear that is already in Clearwire's network, according to a U.S. lawmaker.

Hewlett-Packard plans to use its recently announced SDN controller to distribute its TippingPoint intrusion prevention system across networks, overcoming the scale limitations of dedicated appliances.

Cisco plans to acquire Cognitive Security, a security software company that uses real-time behavioral analysis to detect security threats.

Dell has made a deal to acquire data-protection vendor Credant Technologies and plans to add the company's technology to its enterprise IT security offerings.

Cisco Systems plans to expand its services business over the next several years, seeing a more important role for itself in a world of connected machines and devices.

The U.S. and China are likely to resolve the conflict over potential security threats from Huawei Technologies' network equipment without a trade war, Cisco Systems chairman and CEO John Chambers said on Tuesday.

Responding to a congressional report warning U.S. businesses not to buy equipment from Huawei or ZTE, three U.S. Internet and telecommunications service providers said their networks are safe even though they use some equipment from Huawei.

Cisco has acquired Virtuata, a privately held developer of technology for securing virtual-machine data in multi-tenant data centers, the company said Monday.

For 333 people who used "ninja" as a password for Yahoo Mail or another Web service, Thursday was the day their fleet-footed, black-clad cover was blown.

Federal, state and local law enforcement agencies in the U.S. made more than 1.3 million requests for cellphone records in 2011, according to carriers' responses to a congressman's investigation.

Cisco Systems has taken a step back from its Cisco Connect Cloud service, removing it as the default setting for management of its Linksys EA Series Wi-Fi routers after a firestorm of complaints from customers about automatic firmware updates and the service's terms of service.

Cisco Systems said a privacy policy for the Cisco Connect Cloud service that alarmed some customers was a mistake and has been removed.

Some users of new Wi-Fi routers from Cisco's Linksys division complained this week that the company automatically updated the routers' firmware and pushed them toward a cloud-based administration service they didn't want.

A technology coming later this year from a startup called Bromium will secure computers not by blocking them off from suspect data and applications but by isolating anything untrusted from the core of the OS.