They have already renamed "the greatest computer theft in history".And even if the rankings, in cases like these, are always not very precise, the half billion accounts stolen from Yahoo!It is certainly an episode destined to remain in the almanacs of cyber security.It is because Yahoo!It is not an ordinary company, but a pioneer of the Etheror who has changed our lives in the last twenty years.It is because the Sunnyvale company is in the middle of a 4.8 billion dollar sales negotiation which now risks having unimaginable epilogues.And finally, it is because half a billion users is an incredibly large number that, in fact, makes Yahoo!The second e -mail service in the world (after Google Gmail).
After the first rumors launched by the Recode website, last night (Italian hours) by Yahoo!The official confirmation of the theft has arrived with a post signed by Ciso, Bob Lord.A post in which it is explicitly explained that the data of at least 500 million users have been stolen in the last few weeks of 2014.
Quali sono i dati trafugati?Secondo le informazioni ufficiali diramante da Yahoo!, l'hacker (o il gruppo di hacker) avrebbe sottratto ai datacenter nomi, indirizzi email, numeri di telefono, date di nascita e password di oltre 500 milioni di persone.All data that then ended up in the Dark Web, the set of websites that cannot be reached with a common online search, but through software such as Tor.Any banking data and credit cards, however, would not have been removed.Some perplexities, however, remains.In the meanders of the submerged celenet, the data of a credit card are on sale as fruit at the local market.And together with drugs and pedal-pornographic materials, they constitute the great business of the hidden web.It is therefore difficult to support with certainty what Yahoo! says.Furthermore, the fact that the Sunnyvale company has communicated the incident with two years late, does not help.
Chi è il responsabile?Al momento non c'è un responsabile, e la storia dei crimini informatici insegna che la strada delle indagini è lunga e complessa.And not always (indeed, almost never) brings results.Yahoo!He limited himself to saying that behind the attack there is the direction of a state.And being an attack so imposing to one of the most important American companies, the cyberwar patterns lead straight to Russian or Chinese coordinates.But we are in the field of hypotheses.That between the USA, China and Russia is a double cybernetic canal.Between Washington and Beijing there is, daily, the most massive intertwining of IT attacks, with the United States that dress the role of the strongest and China those of those who seek in every corner a vulnerability to hit them.In Moscow, however, the key goal is the espionage.And in this they are masters.However, at the moment it is still difficult to classify the attack on Yahoo!.
Cosa fare, adesso?Chiunque sia in possesso di un account Yahoo! può cercare di tutelarsi seguendo quattro passaggi chiave.First of all, passwords must be changed.Not only that of the Yahoo account!, But all the passwords of online accounts.This is because very often users use the same password to access the various services (from email to facebook to everything else).Second step: enter your Yahoo!and eliminate emails containing sensitive data, remembering to empty the basket.Third step: open an e -mail account under a safer domain and activate or the double authentication that passes from an SMS on the mobile phone (Gmail allows it), or a PGP key in order to encrypt any type of data or files so that aloneThe recipient of the email can read the content.Fourth step: do not open strange emails and above all do not click on the links contained within these.Four key steps to follow, even if the theft dates back to 2014.Because the data put on sale in the Dark Web can stay there for months.
Le ripercussioni sull'operazione di venditaIl danno che questo mega furto può causare a Yahoo! è enorme.Above all because it arrives in a very delicate moment for the Sunnyvale company, struggling with a sales operation in Verizon for 4.8 billion dollars.This attack is a low blow, and the guilty delay of communication of Yahoo!makes it even more painful.Verizon, through an official note, made it clear that during the sales negotiation from Yahoo!no communication relating to theft has arrived."We have been warned of the accident in the last two days, but we will evaluate what to do to protect the interests of Verizon, of its shareholders and its users," said the New York company.Needless to say, if the sales operation jumping, to end up in the eye of the cyclone it would be once again: the CEO Marissa Mayer.
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