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| Version 1 | Version 2 |
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| 'One billion' affected by Yahoo hack | 'One billion' affected by Yahoo hack |
| (about 1 hour later) | |
| Yahoo has said more than one billion user accounts may have been affected in a hacking attack dating back to 2013. | Yahoo has said more than one billion user accounts may have been affected in a hacking attack dating back to 2013. |
| The internet giant said it appeared separate from a breach disclosed in September, when Yahoo said 500 million accounts had been accessed in 2014. | |
| Yahoo said names, phone numbers, passwords and email addresses were stolen, but not bank and payment data. | Yahoo said names, phone numbers, passwords and email addresses were stolen, but not bank and payment data. |
| The company, which is being taken over by Verizon, said it is working closely with the police and authorities. | The company, which is being taken over by Verizon, said it is working closely with the police and authorities. |
| When Yahoo disclosed in September the 2014 data breach, the company said information had been "stolen by what we believe is a state-sponsored actor". Yahoo did not say which country it held responsible. | When Yahoo disclosed in September the 2014 data breach, the company said information had been "stolen by what we believe is a state-sponsored actor". Yahoo did not say which country it held responsible. |
| That breach included swathes of personal information, including names and emails, as well as "unencrypted security questions and answers". | That breach included swathes of personal information, including names and emails, as well as "unencrypted security questions and answers". |
| The hack took place in 2014, and Yahoo has come under pressure to disclose why it took so long for the breach to be made public. | The hack took place in 2014, and Yahoo has come under pressure to disclose why it took so long for the breach to be made public. |
| Yahoo knew of 'state-backed' hack in 2014 | |
| Verizon: Yahoo data breach may hit deal | |
| Senators demand answers over Yahoo hack | |
| The new breach raises fresh questions about Verizon's $4.8n proposed acquisition of Yahoo, and whether the US mobile carrier will try to modify or abandon its bid. | The new breach raises fresh questions about Verizon's $4.8n proposed acquisition of Yahoo, and whether the US mobile carrier will try to modify or abandon its bid. |
| If the hacks cause a user backlash against Yahoo, the company's services would not be as valuable to Verizon. | If the hacks cause a user backlash against Yahoo, the company's services would not be as valuable to Verizon. |
| In a statement, Verizon said that it would evaluate the situation as Yahoo investigates and would review the "new development before reaching any final conclusions". | In a statement, Verizon said that it would evaluate the situation as Yahoo investigates and would review the "new development before reaching any final conclusions". |
| Yahoo said on Wednesday that users should change their passwords and security questions. | Yahoo said on Wednesday that users should change their passwords and security questions. |
| The company said in a statement: "Yahoo believes an unauthorized third party, in August 2013, stole data associated with more than one billion user accounts." | |
| Yahoo said this case "is likely distinct from the incident the company disclosed on September 22, 2016". | |
| However, the latest breach was uncovered as part of continuing investigations by authorities and security experts into the previous hack, Yahoo said. | |
| It is a further embarrassment to a company that was once one of the biggest names of the internet but which has failed to keep up with rising stars such as Google and Facebook. | |
| Yahoo's valuation hit $125bn during the dot-com boom, but it has been losing ground since then despite several attempts to revive its fortunes. |