A technologist looks back, looks ahead: "Indeed, for many of us, the fundamental nature of work itself is changing—enabled by cheap, ubiquitous networking, communications, coordination and information-sharing technologies. The 'virtual office' is more the norm than the exception."—News.com

The challenge for security firms is to provide protection, both for corporate networks against attack and for sensitive data against theft, across virtual networks connecting loosely knit confederations of businesses.