Be cautious if you plan to Bing Jessica Biel or Google Brad Pitt. A new report says you might get a virus. The actors are among the top 10 celebrity searches online that can lead to computer problems, according to a report released Tuesday by the computer security company McAfee.

The Internet’s most popular search engine should get smarter about music, as Google updates the algorithms that power its searches this week, a company spokesman said.

Product rumors have been fairly quiet on the Apple front recently, but the tech community has begun exchanging whispers about new Macs due in stores soon.

Major countries and nation-states are engaged in a “Cyber Cold War,” amassing cyberweapons, conducting espionage, and testing networks in preparation for using the Internet to conduct war, according to a new report to be released on Tuesday by McAfee.

Those on the fence about which video game console to buy might be tempted by Sony’s recent introduction of the higher-capacity and slimmer new PlayStation 3, with a $100 price cut to $299.

The attorney for one of two men arrested during last month’s G-20 summit for sending Twitter messages to help protesters argues that they were merely passing along public information.

With rumors piling up about a forthcoming Apple tablet, it appears more and more likely that such a device will emerge soon. But what’s still unclear is how this gadget will set itself apart from Apple’s multimedia-savvy product line.

Now that video game sales have eclipsed Hollywood box office revenues, you can bet your bitmaps that some extraordinarily good games were released in 2009.

Bill and Melinda Gates announced plans Friday to invest $10 billion in the fight against a number of illnesses including AIDS, the largest financial commitment their charitable foundation has made.

By the end of the year, people will be able to buy video games they can control by moving their bodies instead of punching buttons or swinging controllers in the air.

For the hardy people of Shishmaref, Alaska, climate change is not a policy issue. The sea is eating away at the village’s thawing coastline, threatening to send it toppling into the ocean. | FULL COVERAGE |

No one would have ever known about the homemade submarine Tao Xiangli was testing in a reservoir just outside Beijing if a passerby had not filmed it and posted the video online.

Make a few easy changes around the house for substantial savings.

U.S. analysts believe they have identified the Chinese author of the critical programming code used in the alleged state-sponsored hacking attacks on Google and other western companies, making it far harder for the Chinese government to deny involvement.

You’re sitting in an airport lounge and seize the chance to check your e-mails before your flight departs. You log on and are tempted by a wireless Internet provider offering free Internet access. So, do you take it?

A new generation of deep-sea submarines light enough to launch from a yacht could open up the ocean’s depths to amateur explorers.