At Oracle confab, Sun's CEO inadvertently illustrates how easy it is to fall for a high-tech hoax.

In 1988, an MIT student unleashed a self-replicating worm that halted thousands of computers--and lit a fire under online security.

Live Communications Server 2005 will encrypt instant-messaging communications but also link to Yahoo, AOL chat.

Does Rhode Island have the answer to a major problem facing the Internet phone industry?

NetMeeting hasn't been completely eclipsed by XP's Windows Messenger, and those who support it need to know how it works--and what to do when it doesn't. Here's a rundown of NetMeeting capabilities, from real-time conferencing to application sharing.

Studios cook up new business models, but security concerns may create too much static.

The ePolicy Institute's 2004 Workplace E-mail and Instant Messaging Survey shows that many companies are putting themselves at risk because of their e-mail and instant messaging policies, or lack thereof.

Users of the music player should watch out for hacked themes; a flaw allows would-be intruders to take control of PCs.

IM use grows by leaps and bounds, at the office and on the go, AOL says.

Darknets can provide early notification of wide-scale Internet threats and therefore play a role in Internet security. Find out what benefits a darknet can offer an organization.

The Internet is global, but your network might not need to reach every corner of the globe. Learn why you should define the purpose of your network and whom it serves to reduce your network's exposure.

The average "survival time" is not even long enough to download patches that would protect a computer from Net threats.

After a decade, even your mom buys books online. But are secure transactions secure enough yet?

New subscription plans are added to the Web conferencing service to help it compete in a crowded market.

A hacker could use the "Away" message feature to take control of a PC, according to experts.