Yahoo says one billion accounts exposed in newly discovered security breach

Yahoo Inc warned on Wednesday that it had uncovered yet another massive cyber attack, saying data from more than 1 billion user accounts was compromised in August 2013, making it the largest breach in history. The number of affected accounts was double the number implicated in a 2014 breach that the internet company disclosed in September and blamed on hackers working on behalf of a government. News of that attack, which affected at least 500 million accounts, prompted Verizon Communication Inc to say in October that it might withdraw from an agreement to buy Yahoo's core internet business for $4.83 billion.

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Yahoo says one billion accounts exposed in newly discovered security breach

Worst day in 10 months as Wall Street reacts to ‘Brexit’

The S&P 500 turned negative for the year-to-date on Friday as Wall Street suffered its largest selloff in 10 months after Britain's decision to leave the European Union caught traders wrong-footed. In the busiest trading volume for a single session in nearly five years, financial stocks led the decline on the S&P 500 with a 5.4 percent drop -the largest for the sector since November 2011. The S&P 500 lost all the year's gains and suffered its largest decline since late August last year.

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Worst day in 10 months as Wall Street reacts to ‘Brexit’

Worst day in 10 months as Wall Street reacts to ‘Brexit’

The S&P 500 turned negative for the year-to-date on Friday as Wall Street suffered its largest selloff in 10 months after Britain's decision to leave the European Union caught traders wrong-footed. In the busiest trading volume for a single session in nearly five years, financial stocks led the decline on the S&P 500 with a 5.4 percent drop -the largest for the sector since November 2011. The S&P 500 lost all the year's gains and suffered its largest decline since late August last year.

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Worst day in 10 months as Wall Street reacts to ‘Brexit’