(Reuters) - Atlanta took down its water department website indefinitely on Thursday, two weeks after a ransomware cyber attack tore through the city's computer systems in one of the most disruptive hacks ever to strike a U.S. local government.

Aboard Air Force One (Reuters) - U.S. President Donald Trump said on Thursday he would take a serious look at policies to address what he says are the unfair business advantages of online retailer Amazon.com Inc

BOSTON (Reuters) - The California State Teachers' Retirement System will ask Facebook Inc about the controls the social media company has in place to protect user data, the system said in a statement on Thursday.

ABOARD AIR FORCE ONE (Reuters) - U.S. President Donald Trump said on Thursday he would take a very serious look at policies that might affect online retailer Amazon.com Inc.

BRASILIA (Reuters) - A Brazilian judge has ordered that Facebook Inc pay 111.7 million reais ($33.4 million) for failing to cooperate with a corruption investigation in the state of Amazonas, federal prosecutors said on Thursday.

WASHINGTON (Reuters) - Investigators on two congressional panels are looking into whether Russia acquired the data of millions of Facebook users and if companies with ties to then-2016 Republican election candidate Donald Trump's campaign played any role in providing it, three sources familiar with ...

(Reuters) - Grocery delivery startup Instacart said on Thursday it had closed its series E financing round of $350 million, bringing the company's valuation to $4.35 billion.

NEW YORK (Reuters) - International Business Machines Corp has joined a private, non-profit organization called Sovrin Foundation that is seeking to build a global decentralized identity system based on blockchain technology.

NEW YORK (Reuters) - Soaring crypto-currency prices last year are estimated to result in U.S. tax liabilities of $25 billion, adding further selling pressure to these assets in the short term, according to a research note by Fundstrat Global Advisers on Thursday.

LONDON (Reuters) - Facebook is co-operating with Britain's Information Commissioner's Office (ICO) as it examines how 30 organizations have used personal data, but the ICO said on Thursday it was too early to say whether the social media giant had done enough.

ZURICH (Reuters) - Cryptocurrencies are not true competitors to conventional currencies despite soaring interest in products like bitcoin, Swiss National Bank Governing Board member Andrea Maechler said on Thursday.

MILAN (Reuters) - Telecom Italia's (TIM) top shareholder Vivendi does not see a potential entry by Italian state lender CDP into the Italian phone company as a hostile move, a source close to the matter said on Thursday.

(Reuters) - Shares of Facebook Inc headed toward their biggest daily rise in a month at opening on Thursday, after Chief Executive Mark Zuckerberg said the social network had not seen any meaningful impact on usage or ad sales in the wake of the data privacy scandal.

(Reuters) - Premier League leaders Manchester City have swiped right on a unique deal with dating app Tinder, both organizations said on Thursday.

MOSCOW (Reuters) - The Kremlin on Thursday said Facebook's removal of accounts controlled by various Russian media was a hostile move that smacked of censorship.

NEW DELHI (Reuters) - Indian online travel portal MakeMyTrip Ltd has formed a partnership with Flipkart to allow customers to book domestic flight tickets and other travel services directly through the e-commerce firm's portal.

LONDON (Reuters) - Telefonica's O2 won the biggest chunk of new British mobile airwaves in an auction that raised 1.36 billion pounds ($1.9 billion) for the government, regulator Ofcom said.

ATHENS (Reuters) - Ride-hailing service Uber said on Thursday it would suspend its licensed service in Greece after the approval of local legislation which imposes stricter regulation on the sector.

LONDON (Reuters) - Telefonica's O2 won the biggest chunk of new British mobile airwaves in an auction that raised 1.36 billion pounds($1.9 billion) for the government, regulator Ofcom said.

MILAN (Reuters) - Italian state lender CDP is set to buy a stake of up to 5 percent in Telecom Italia, three sources close to the matter said on Thursday, in a move intended to protect the country's interest in the company.

MILAN (Reuters) - Italian state lender CDP intends to buy shares in Telecom Italia (TIM) on the market or in block orders, a source told Reuters on Thursday.

MILAN (Reuters) - Italian state lender CDP will buy a stake of up to 5 percent in Telecom Italia, two sources close to the matter said on Thursday.

SYDNEY (Reuters) - Australia's Privacy Commissioner said on Thursday she had opened a formal investigation into social media giant Facebook Inc after the company confirmed data from 300,000 Australian users may have been used without authorization.

(Reuters) - Department store chain Sears Holding Corp and Delta Air Lines Inc said on Wednesday some of their customer payment information may have been exposed in a cyber security breach at software service provider [ 24]7.ai.

(Reuters) - Delta Air Lines Inc said on Wednesday some of its customer payment information may have been exposed in a cyber security breach at software service provider [24]7.ai.

SEOUL (Reuters) - Employees of Coinnest, South Korea's fifth largest cryptocurrency exchange, were detained on Thursday in connection with the alleged embezzlement of assets, Maeil Business Newspaper reported on Thursday, citing prosecutors.

SAN FRANCISCO (Reuters) - Silicon Valley may tighten security after a shooting at the YouTube headquarters stunned the San Francisco Bay Area this week, but do not expect armed guards to take up protective posts around tech companies' campuses.

WASHINGTON (Reuters) - Facebook Inc Chief Executive Officer Mark Zuckerberg will testify next week before congressional committees over a political consulting firm's misuse of customer data to interfere in the U.S. presidential election, U.S. lawmakers said on Wednesday. Zuckerberg will appear befor...

BERLIN (Reuters) - Over 50 top Artificial Intelligence researchers on Wednesday announced a boycott of KAIST, South Korea's top university, after it opened what they called an AI weapons lab with one of South Korea's largest companies.

(Reuters) - Swiss-Israeli technology firm Sirin Labs said that FIH Mobile Ltd, a subsidiary of world's largest contract electronics manufacturer Foxconn, will manufacture its Finney blockchain smartphone, which is designed to securely store and use digital currencies such as bitcoin in fee-less tran...