ZDNET
A general purpose site for Enterprise IT commentary and product information, with coverage of networking, operations, security, and trends in Infomation Technology.

CSO Online
An online resource for Security Executives.

Internet World
Focuses on Internet and wireless news and applications, with good coverage of international markets

Network Computing
Provides broad coverage of telecommunications topics including convergence and wireless, with tutorial articles, lab tests, case studies

Network World Fusion
A good general source for network news and product information

Online Business - About.com
A NY Times Web site that covers the Online business hosting industry.