Why did this extreme running safety? Virtually all the major chat have decided or are deciding to resort to encryption “end to end” , a very effective security system, including individual users you create a kind of private network where they are all encrypted data, photos, videos, messages. At such data can only be accessed using a password, the system is so secure that not even the same company has the technical capability to access it. We know virtually always the extreme safety and impenetrability of Apple systems, in its wake continued Telegram, then Viber, and finally WhatsApp the last April, today’s announcement also comes from Facebook, it decided to implement the same feature even in their own chat Facebook Messenger. It was June 2013, when a technician from the CIA, Edward Snowden has publicly revealed to the world details of several mass surveillance programs of the US and British government, which had been kept secret. through collaboration with Glenn Greenwald, a journalist of the the Guardian which published a series of reports based on his revelations took place in June 2013, Snowden revealed information about segretati several intelligence programs, including the program wiretap between the US and the European Union concerning the metadata communications, the PRISM and Tempora Internet surveillance programs. A huge scandal, which prompted governments and technological giants to strengthen their defenses and those of its members. 
What should be the line between privacy and justice? The messages exchanged in private are and remain a priority, to know that my messages can not be hacked and then disseminated on the network from user makes me calmer. However if perhaps exchanging them are two drug traffickers as happened in Brazil? Or even worse, the case of the terrorist of San Bernardino in the United States, where Apple has refused despite the FBI’s request to release its Iphone? In this case it would be right to make an exception to the rule? Well hard to say, on the one hand companies prove to keep its users, the other side shows to keep us “too” too sensitive a subject. Over the last few months he has been much debate, what is certain, and that at least in the case of Brazil, the government has reacted strongly after the rejection by blocking access to WhatsApp .
it’s up to Facebook Messenger
After Telegram, WhatsApp and Viber also Messenger Cha t run for cover, a few days ago in fact, began the encryption test phase, to make conversations totally secret and inaccessible.
“Now – they know the Facebook manager – you can choose to create” secret “conversations on Messenger, which can only be read on the device of the person you are communicating with, without going through the server “.
This encryption is called” end to end “. “Thanks to this safety system, no one will ever read or intercept user conversations unless it is not the same user to notify us of the content (even violent) or that it is not always stored in secretly on our servers.
In testing
Facebook messenger goes further today when a message arrives at the same time you can view it on every device where your account is active, pC, tablet, smartphone, with the new feature will be possible to limit this possibility and choose what and how many devices to display the message.
“at the moment the secret conversations are available on a limited basis, but will be made available to a greater extent this summer. During this test, – reads the document – will gather feedback on functionality, it will measure the performance and tools will be introduced to allow the reporting of the contents. “
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