More enterprises planning secure WLAN rollouts

Wednesday, 8 October 2003, 8:02 PM EST

Companies have installed wireless LANs for office uses such as access to file and print servers and e-mail, while some, like retailers, for example, have gone wireless to transmit transaction information that may include sensitive data like credit card, Social Security (news - web sites) and account numbers.

Not all of those installations are secure. Many network administrators are still negligent about turning on encryption features that would scramble traffic and keep data from harm.

After conducting war drives recently in the business and financial districts of Atlanta, Chicago and San Francisco, wireless security solutions vendor AirDefense Inc. determined that 57% of the 1,136 access points detected were unencrypted. Seventy-seven percent, meanwhile, were broadcasting their service set identifiers (SSIDs) in the clear, and 9% were found to be rogue access points running at 100% default settings.

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