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Secretary of Defense Leon Panetta warned of a possible “cyber-Pearl Harbor,” but ever-bigger networks provide targets.

Fortune magazine names the 40 brightest business minds under the age of 40.

Shares of Sprint-Nextel Corp. (NYSE: S) soared on Softbank takeover reports. Here's why they'd make a deal.

Google (Nasdaq: GOOG) is scheduled to report third-quarter results next Thursday which may once again prove there's gold in search.

Yahoo (Nasdaq: YHOO) CEO Marissa Mayer gave birth to her first child, a boy, on Sunday.

International Business Machines Corp. (NYSE: IBM) CEO Virginia Rometty will become its first female chairman on Monday.

Police departments are trying to keep up with 2C-I, which has the street name “Smiles,” and warning users of its effects.

Yahoo shares were steady after Tuesday's surge on news it has sold part of its stake in China's Alibaba Group.

Few would say we're living in a time when people have much respect for each other. The Internet that was supposed to have ushered in an "information superhighway" has morphed into a snarky battleground and the presidential race reeks of angry versus angrier instead of being suffused by what voters need. Now, though, we're arguing about banning PB&J sandwiches and the Kate Middleton topless-photo scandal.

Yahoo! Inc, National Bank of Greece, Nokia Corp, Zynga Inc, Compucredit Holdings, Halcon Resources, Harmony Gold Mining, Amazon.com and Banco Santander are among the companies whose shares are moving in pre-market trading Thursday.

The book highlights the guard's intense focus on playing in the NBA.

New Yahoo (Nasdaq: YHOO) CEO Marissa Mayer appears to continue her housecleaning. U.S. sales chief Wayne Powers quit the search engine and media company Monday to become president of Parade Publications, the Sunday newspaper supplement published by privately held Advance Publications.

Ross Levinsohn, the former interim CEO of Yahoo! Inc. (Nasdaq: YHOO) has left the company after it hired Marissa Mayer from Google Inc. (Nasdaq: GOOG) as its new chief executive, All Things D reported, suggesting the Silicon Valley giant's focus on its technology division over its media properties.

Internet users and investors were heartened last week when Yahoo (Nasdaq: YHOO), elected Marissa Mayer, 37, as its third CEO in less than a year. A hedge fund gets part of the credit but not all hedge funds score as well in the tech sector: how about Eastman Kodak (Pink: EKDKQ)?

New Yahoo (Nasdaq: YHOO) CEO Marissa Mayer could end up with compensation around $100 million if she meets certain goals the company disclosed.

Now three days into running Yahoo (Nasdaq: YHOO), the No. 3 search engine, CEO Marissa Mayer has already telegraphed that change is coming. She appointed the first editors for Yahoo News and Yahoo Finance, two of the company’s most popular portals.

About 700,000 Finnish Americans live in the United States today. And now, one of them runs one of the most powerful tech and media companies in the country.

It’s the tale of two technology cities: Thursday should see two of the sectors giants, Microsoft (Nasdaq: MSFT), the world's biggest software company, and Google (Nasdaq: GOOG), the No. 1 search engine report record quarterly results.

Yahoo! Inc. (Nasdaq: YHOO)'s earnings increased in the second quarter as the tech giant's advertising revenue rose slightly.

After the formal announcement Monday that Marissa Mayer had been elected the new CEO of Yahoo (Nasdaq: YHOO), the No. 3 search engine, the new executive announced she was pregnant.

Now that you are starting as the third CEO of Yahoo (Nasdaq: YHOO) in a year, have a seat on the board of directors and are about to run your first company, here are a few things to keep in mind.

The hit HBO show has a new fan tribute video and even if it's not as gritty as the original, it's tough to think fans won't like the Lego version of their favorite characters.

Yahoo (Nasdaq: YHOO), the No. 3 search engine, said it had elected Marissa Mayer, the first woman engineer at rival Google (Nasdaq: GOOG) as its third CEO in 10 months.

With more TV audiences viewing shows online, it makes sense creators are bypassing the traditional distribution medium and developing content expressly for the Web. Yet some might be surprised to find that film icon and veteran A-lister Tom Hanks is jumping on the bandwagon.

Sadly, another surfer has been killed off the coast of Australia, but humans need to recognize they are putting themselves at risk.

Consider: at New York’s Stuyvesant H.S., one of the best in the country, more than 80 students are ensnared in a cheating probe of a city language exam administered last month. Cellphone accounts are intercepted by cops. Is anything electronic immune?

Last FM, LinkedIn and now Yahoo. Crafty hackers had the last laugh on Thursday after releasing 450,000 hacked passwords of Yahoo users online. Here's 15 ways to protect your account if your Yahoo was hacked.

Microsoft (Nasdaq: MSFT), the world's biggest software company, is in seeking to divest its remaining investment in MSNBC.com, the No. 4 U.S. news website.

Hackers responsible for the massive security breach of over 450,000 Yahoo! accounts published on Thursday a complete list of the email addresses and passwords they compromised.