(Reuters) - Data-sharing business Dropbox Inc is seeking to hire underwriters for an initial public offering that could come later this year, which would make it the biggest U.S. technology company to go public since Snap Inc, people familiar with the matter said on Friday.

TORONTO (Reuters) - The U.S. Department of Homeland Security and Federal Bureau of Investigation this week privately warned American businesses about a hacking campaign targeting the nuclear, energy and manufacturing sectors, according to a report by the agencies.

This week marks the 50th anniversary of the automated teller machine — better known to most people as the ATM or cash machine. Thanks to the myriad methods thieves have devised to fleece unsuspecting cash machine users over the years, there are now more ways than ever to get ripped off at the ...

This week marks the 50th anniversary of the automated teller machine — better known to most people as the ATM or cash machine. Thanks to the myriad methods thieves have devised to fleece unsuspecting cash machine users over the years, there are now more ways than ever to get ripped off at the ...

BERLIN (Reuters) - Germany is girding itself for possible cyber attacks on next week's G20 summit in Hamburg, by hacker groups or cells linked to foreign governments, its top cyber official told Reuters.

SAN FRANCISCO (Reuters) - Facebook Inc said on Friday it was changing the computer algorithm behind its News Feed to limit the reach of people known to frequently blast out links to clickbait stories, sensationalist websites and misinformation.

(Reuters) - Nike's pilot program to sell certain products on Amazon and Instagram is a precursor to it forging a deeper relationship with online retailers, and could hit sales at sporting goods retailers such as Foot Locker Inc .

FILE PHOTO: A display for the Windows 10 operating system is seen in a store window of the Microsoft store at Roosevelt Field in Garden City, New York, U.S., July 29, 2015. REUTERS/Shannon Stapleton/File Photo

The Tesla corporate logo is pictured at a Tesla electric car dealership in Sydney, Australia, May 31, 2017. REUTERS/Jason Reed - RTX38AWB

The Intel logo is shown at the E3 2017 Electronic Entertainment Expo in Los Angeles, California, U.S. June 13, 2017. REUTERS/ Mike Blake

An electronic billboard advertising Uber is seen in front of an office block in London, Britain, June 28, 2017. REUTERS/Toby Melville - RTS18YNB

FILE PHOTO: Siemens logo is pictured at Siemens Healthineers headquarters in Erlangen near Nuremberg, Germany, October 7, 2016. REUTERS/Michaela Rehle/File Photo

President of the EU Commission Jean-Claude Juncker listens during a news conference in Tallinn, Estonia, June 30, 2017. REUTERS/Ints Kalnins

A fleet of vehicles equipped with Baidu’s autonomous driving technologies conduct road testing in Wuzhen, Zhejiang Province, China in an undated photo. Courtesy of Baidu/Handout via REUTERS

(Editors note: Attention to language in paragraph 22 that may be offensive to some readers.)

HONG KONG (Reuters) - Chinese smartphone maker Coolpad , part of the cash-strapped LeEco technology conglomerate, on Friday said it would further delay the publication of its 2016 financial results due to outstanding audit issues.

KIEV (Reuters) - Ukrainian state power distributor Ukrenergo was hit by another cyber attack on Thursday which used a computer virus different from one that hit Ukraine on Tuesday, said Ukrenergo's acting head said.

ZURICH (Reuters) - Swiss drugmaker Roche said on Friday it is buying Vienna-based diabetes management platform mySugr for an undisclosed price as it presses into app-based digital health services for people suffering from the metabolic disorder.

HONG KONG (Reuters) - Chinese telecom equipment maker ZTE Corp will double its research spending on fifth-generation mobile network (5G) from this year, the company said, as China steps up the push to build the world's largest 5G network.

SHANGHAI (Reuters) - China will launch a series of artificial intelligence (AI) projects and increase efforts to cultivate tech talent as part of a soon to announced national AI plan, the China Daily said on Friday, citing a senior official.

SAN FRANCISCO (Reuters) - Volkswagen AG on Thursday told California it was expanding efforts to build electric car infrastructure in poorer communities, responding to regulators who described "shortcomings" in VW's plan.

SAN FRANCISCO (Reuters) - Facebook Inc said on Thursday it had completed a second test of an unmanned aircraft designed to some day beam internet access to remote parts of the planet, and unlike in the first test, the drone did not crash.

WILMINGTON, Del./BOSTON (Reuters) - Sprint Corp used confidential information from its alliance with RadioShack Corp to open competing mobile phone stores, dooming the comeback by the electronics retailer and destroying jobs, according to a lawsuit filed on Wednesday by RadioShack creditors.

(Reuters) - Chinese e-commerce company Alibaba Group Holding Ltd would launch a product mimicking Amazon.com Inc's "Echo" next week, according to a source familiar with the matter.

NEW YORK (Reuters) - Cable provider Charter Communications Inc said on Thursday that it was testing a new streaming service for consumers who want a cheaper alternative to a traditional cable television package.

NEW YORK (Reuters) - Discovery Communications Inc and Time Warner Inc's Turner are taking the unusual step of streaming full episodes of new shows online or on apps before they air on TV to attract younger viewers in the face of slipping ratings.

SAN FRANCISCO (Reuters) - Zscaler Inc is interviewing investment banks to hire as underwriters for an initial public offering later this year that could value the U.S. cyber security software firm at about $2 billion, people familiar with the matter said.

LONDON (Reuters) - Global shipping is still feeling the effects of a cyber attack that hit A.P. Moller-Maersk two days ago, showing the scale of the damage a computer virus can unleash on the technology dependent and inter-connected industry.

MEXICO CITY (Reuters) - A cable operator belonging to Mexico's largest television network has won a legal case to stop the sale of Roku video streaming devices in the country on the grounds that the gadgets are often hacked to let users view pirated channels.

KIEV/FRANKFURT (Reuters) - The primary target of a crippling computer virus that spread from Ukraine across the world this week is highly likely to have been that country's computer infrastructure, a top Ukrainian police official told Reuters on Thursday.