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Yahoo to spin off its stake in Alibaba

Yahoo's fourth quarter 2014 sales and earnings both dropped.

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Yahoo's search share creeps up after becoming Firefox's default

It rose in December to its highest point since 2009, according to StatCounter.

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Firefox 34 kicks off the Yahoo Search era, but new one-click search feature eases switching

The new Firefox is here, and with it Yahoo replaces Google as the default search provider in Mozilla's browser.

How to prevent Firefox from automatically switching you to Yahoo search

Dreading the notion of Yahoo becoming your default search engine in Firefox later this month? Here's how to stop that from happening.

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Mozilla spruces up the Firefox search experience as Yahoo moves in

When Yahoo rolls out as the new search provider for Firefox, Mozilla plans to also introduce a new "one-click search" experience.

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Yahoo dethrones Google as default Firefox search tool

Yahoo said the five-year deal will widen its reach, but it's unclear by how much.

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Facebook and Yahoo prevent use of recycled email addresses to hijack accounts

A new mechanism helps email servers determine if a message was intended for a recycled account's previous owner

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Massive malvertising campaign on Yahoo, AOL and other sites delivers ransomware

The malicious ads exploited vulnerabilities to install the CryptoWall ransomware on computers, researchers from Proofpoint said

Shellshock probing led Yahoo attackers to a different bug

The bug has now been fixed and user data was not at risk, the company said

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Yahoo will ring in the new year by killing its website directory

Other services like Yahoo Education and Qwiki will also close, Yahoo said. But it's the Web directory that first launched Yahoo onto the Web.