
Given the tensions between Russia and the United States over the Syrian war 'you could put forward the theory that this could be a Russian attempt to test the Americans' cyber defences', he said. 'Given the scale of the revelations about Yahoo, it indicates that a lot of resources, technical equipment and coordination were required - this definitely comes from a state,' he said. Julien Nocetti, of the French Institute of International Relations (IFRI), said the hack was too big for an independent group to carry out. The ability to access email addresses for US persons, perhaps a Russian dissident - any intelligence agency worth its salt would want that sort of data, although it is very hard to use because of the encrypted passwords,' he said. 'Would, for example, Russian intelligence wish to conduct a large-scale hack on a major internet company like Yahoo? Absolutely they would,' Shashank Joshi, senior research fellow at the London-based Royal United Services Institute, told AFP.

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North Korea are understood to have a large state-sponsored hacking unit, and was linked to the hack of Sony Pictures in apparent retaliation for a movie lampooning Kim Jong-un, The Interview starring Seth Rogen with James Franco.Ĭhinese hackers have been accused of plundering industrial and corporate secrets and of orchestrating a breach of US government files on its employees that affected more than 21 million people and reportedly led to the hasty withdrawal of US intelligence operatives from China to protect their lives.īut political motives can be as strong as commercial ones, analysts note. The increasing threat of cybercriminals has prompted many companies, including Facebook and Netflix, to urge their customers to change their login details if they find matching credentials with other sites. The breach revealed in May is one of the biggest stashes of stolen credentials to be uncovered since cyber attacks hit major US banks and retailers two years ago. Notably, 2014 also saw Sony Entertainment hacked in retaliation for the proposed release of North Korean-mocking film 'The Interview.' That hack resulted in thousands of private Sony emails being shared.ĭetails of 40 million Yahoo Mail users, 33 million Hotmail users and 24 million Gmail accounts were in the data being traded.

But the fact that this hack took place in 2014 may rule them out.Ĭhina is the US's main economic competitor, and was fingered after a 2015 hack saw the personnel records of millions of federal employees and contractors compromised.Īnd North Korea has long been accused of cyberattacks against the US. Russia has been linked to numerous attacks in recent times, particularly due to its alleged links to DCLeaks, which has shared private emails of political figures such as Colin Powell. He said: ' Would, for example, Russian intelligence wish to conduct a large-scale hack on a major internet company like Yahoo? Absolutely they would.' Shashank Joshi, senior research fellow at the London-based Royal United Services Institute, said Russian intelligence would 'absolutely' want to carry out a large-scale attack. Over the past month a team some claim is linked to the Kremlin have been leaking medical records of Olympic athletes to damage their reputations.Įarlier this year it was found that Russian hackers were trading hundreds of millions of stolen usernames and passwords belonging to Gmail, Hotmail, and Yahoo accounts. It's not known who that 'actor' is, but Russia has been linked to several recent hacks. The company said that certain account information was stolen from the company's network in late 2014 in what it believes was a 'state-sponsored actor.' It has known of a potential hack that affects hundreds of millions of users since at least August, but only confirmed the huge breach this week.

Yahoo has faced months of damaging rumours that it had been hacked and has now finally admitted hackers had taken personal data in 2014. It is likely to face a huge financial loss because of the hack.īritish internet service provider Talk Talk reported a loss of up to £60million because of IT costs and lost customers - and that was for a hack with just 157,000 victims.

Millions of BT and Sky customers in Britain may have had their data stolen because Yahoo provides their email services, it was revealed today.Įxperts have said the hack 'will cause ripples online for years to come' and it appears Yahoo was warned just after Verizon agreed to buy it in a $4.8billion deal. The company has been heavily criticised by customers who are furious they didn't discover the hack in 2014 and failed to tell them until yesterday.
