The following is the full text of the SAI article:
British "Guardian" reporter Glenn Greenwald (Glenn Greenwald) published a long article on Wednesday, detailing the Internet surveillance system XKeyscore developed by NSA. According to the article, according to the internal NSA documents provided by Edward Snowden, a former CIA employee and former NSA American technical contractor, XKeyscore can be regarded as NSA's "widest exposure" surveillance The purpose of the system is to collect all kinds of intelligence from the Internet.
The SAI website also published an article on Wednesday, stating that with the XKeyscore system, NSA analysts can find "almost all activities of regular Internet users on the Internet", including metadata, email content, social media content, Internet browsing activities, and other Activities and so on.
Greenwald pointed out that the XKeyscore system will make Facebook users who are very concerned about their private information feel very worried. Greenwald's article in the Guardian wrote:
"NSA has a tool called 'DNI Presenter' that can be used to read the content of emails retained by users. NSA analysts using XKeyscore can also use this tool to read Facebook users' chat history or private information. NSA analysis Teachers only need to type in the Facebook user name and set a time period to find relevant information, and they can monitor the chat history of Facebook users. "
The system may have been used in the past in the case of the arrest of Brandon Raub, a former US Marine Corps veteran. He was arrested in August 2012 and was subsequently taken to a mental hospital. The reason for Raub ’s arrest was that, according to his remarks posted on Facebook, he was considered to have "terrorist nature."
At that time, John Whitehead, the chief lawyer of Laub, said in an interview with SAI that the content posted on Facebook by Facebook was "terrorist in nature", in fact, part of it was related to a private Facebook that Laub was playing. The game is related. At that time, Laub was playing this game called "IlluminaTI" with his brother and sister, and the US government checked the chat records of Laub and others.
It is not yet clear whether the XKeyscore system was used in the Raub case. However, the relevant documents leaked by Snowden show that the possibility of the XKeyscore system being used in the Raub arrest case cannot be ruled out.
Ryan Gallger, a reporter from Slate, an American IT network magazine, pointed out on Wednesday that Facebook has adopted a higher level of "https" encryption for its data: "Some slides provided by the XKeyscore system are actually 2008. Years and other outdated content, without explaining the adoption of HTTPS encryption by companies such as Facebook and Google (Weibo). "
Facebook announced in November 2012 that it will gradually adopt https measures for all user data. Regardless of the truth, the latest article published on Wednesday is enough to worry any social networking site user: how much user data is already in the hands of US intelligence?
In March this year, at a meeting hosted by the US technology information site Gigaom, CIA Chief Technology Officer (CTO) Ira Hunt said: "Because you cannot connect to information that you do not have, we are forced to take In this way: we actually try to collect everything and insist on doing so. We also analyze all the information that people publish in a way that we can understand. "
NSA is interested in HTTP because "regular netizens use HTTP when doing almost all activities on the Internet." This can't help but let people ask such a question (the answer is obviously no): Are terrorists regular Internet users?
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