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A top secret National Security Agency program allows analysts to search with no prior authorization through vast databases containing s, online chats and the browsing histories of millions of individuals, according to documents provided by whistleblower Edward Snowden. The NSA boasts in training materials that the program, called XKeyscore, is its "widest-reaching" system for developing intelligence from the internet.
The latest revelations will add to the intense public and congressional debate around the extent of NSA surveillance programs. They come as senior intelligence officials testify to the Senate judiciary committee on Wednesday, releasing classified documents in response to the Guardian's earlier stories on bulk collection of phone records and Fisa surveillance court oversight.
The files shed light on one of Snowden's most controversial statements, made in his first video interview published by the Guardian on June US officials vehemently denied this specific claim. Mike Rogers, the Republican chairman of the House intelligence committee, said of Snowden's assertion: "He's lying. It's impossible for him to do what he was saying he could do. But training materials for XKeyscore detail how analysts can use it and other systems to mine enormous agency databases by filling in a simple on-screen form giving only a broad justification for the search.
The request is not reviewed by a court or any NSA personnel before it is processed. One presentation claims the program covers "nearly everything a typical user does on the internet", including the content of s, websites visited and searches, as well as their metadata. Analysts can also use XKeyscore and other NSA systems to obtain ongoing "real-time" interception of an individual's internet activity. Under US law, the NSA is required to obtain an individualized Fisa warrant only if the target of their surveillance is a 'US person', though no such warrant is required for NSA?
Lets chat the communications of Americans with foreign targets.
But XKeyscore provides the technological capability, if not the legal authority, to target even US persons for extensive electronic surveillance without a warrant provided that some identifying information, such as their or IP address, is known to the analyst. One training slide illustrates the digital activity constantly being collected by XKeyscore and the analyst's ability to query the databases at any time.Craziest Nail Art On Another Level
The purpose of XKeyscore is to allow analysts to search the metadata as well as the content of s and other internet activity, such as browser history, even when there is no known a "selector" in NSA parlance associated with the individual being targeted. Analysts can also search by name, telephoneIP address, keywords, the language in which the internet activity was conducted or the type of browser used. One document notes that this is because "strong selection [search by address] itself gives us only a very limited capability" because "a large amount of time spent on the web is performing actions that are anonymous.
The NSA documents assert that NSA? Lets chatterrorists had been captured using intelligence from XKeyscore. Analysts are warned that searching the full database for content will yield too many to sift through. Instead they are advised to use the metadata also stored in the databases to narrow down what to review.
A slide entitled "plug-ins" in a December document describes the various fields of information that can be searched. It includes "every address seen in a session by both username and domain", "every phone seen in a session eg address book entries or ature block " and user activity — "the webmail and chat activity to include username, buddylist, machine specific cookies etc".
In a second Guardian interview in June, Snowden elaborated on his statement about being able to read any individual's if he had their address. He said the claim was based in part on the search capabilities of XKeyscore, which Snowden says he was authorized to use while working as a Booz Allen contractor for the NSA.
One top-secret document describes how the program "searches within bodies of s, webs and documents", including the "To, From, CC, BCC lines" and the '' s on websites". To search for s, an analyst using XKS enters the individual's address into a simple online search form, along with the "justification" for the search and the time period for which the s are sought. The analyst then selects which of those returned s they want to read by opening them in NSA? Lets chat reading software. The system is similar to the way in which NSA analysts generally can intercept the communications of anyone they select, including, as one NSA document put it, "communications that transit the United States and communications that terminate in the United States".
One document, a top secret guide describing the training received by NSA analysts for general surveillance under the Fisa Amendments Act ofexplains that analysts can begin surveillance on anyone by clicking a few simple pull-down menus deed to provide both legal and targeting justifications. Once options on the pull-down menus are selected, their target is marked for electronic surveillance and the analyst is able to review the content of their communications:.
Beyond s, the XKeyscore system allows analysts to monitor a virtually unlimited array of other internet activities, including those within social media. An analyst can monitor such Facebook chats by entering the Facebook user name and a date range into a simple search screen. Analysts can search for internet browsing activities using a wide range of information, including search terms entered by the user or the websites viewed.
As one slide indicates, the ability to search HTTP activity by keyword permits the analyst access to what the NSA calls "nearly everything a NSA? Lets chat user does on the internet". The XKeyscore program also allows an analyst to learn the IP addresses of every person who visits any website the analyst specifies. The quantity of communications accessible through programs such as XKeyscore is staggeringly large. One NSA report from estimated that there were bn "call events" collected and stored in the NSA databases, and close to bn internet records.
Each day, the document says, bn records were added. William Binney, a former NSA mathematician, said last year that the agency had "assembled on the order of 20tn transactions about US citizens with other US citizens", an estimate, he said, that "only was involving phone calls and s".
A Washington Post article reported that "every day, collection systems at the [NSA] intercept and store 1.
The XKeyscore system is continuously collecting so much internet data that it can be stored only for short periods of time. Content remains on the system for only three to five days, while metadata is stored for 30 days. To solve this problem, the NSA has created a multi-tiered system that allows analysts to store "interesting" content in other databases, such as one named Pinwale which NSA? Lets chat store material for up to five years. It is the databases of XKeyscore, one document shows, that now contain the greatest amount of communications data collected by the NSA.
Inthere were at least 41 billion total records collected and stored in XKeyscore for a single day period. While the Fisa Amendments Act of requires an individualized warrant for the targeting of US persons, NSA analysts are permitted to intercept the communications of such individuals without a warrant if they are in contact with one of the NSA's foreign targets.
The ACLU's deputy legal director, Jameel Jaffer, told the Guardian last month that national security officials expressly said that a primary purpose of the new law was to enable them to collect large amounts of Americans' communications without individualized warrants. In recent years, the NSA has attempted to segregate exclusively domestic US communications in separate databases.
But even NSA documents acknowledge that such efforts are imperfect, as even purely domestic communications can travel on foreign systems, and NSA tools are sometimes unable to identify the national origins of communications.
Moreover, all communications between Americans and someone on foreign soil are included in the same databases as foreign-to-foreign communications, making them NSA? Lets chat searchable without warrants. In a letter this week to senator Ron Wyden, director of national intelligence James Clapper acknowledged that NSA analysts have exceeded even legal limits as interpreted by the NSA in domestic surveillance.
Acknowledging what he called "a of compliance problems", Clapper attributed them to "human error" or "highly sophisticated technology issues" rather than "bad faith". However, Wyden said on the Senate floor on Tuesday: "These violations are more serious than those stated by the intelligence community, and are troubling. In a statement to the Guardian, the NSA said: "NSA's activities are focused and specifically deployed against — and only against — legitimate foreign intelligence targets in response to requirements that our leaders need for information necessary to protect our nation and its interests.
Access to XKeyscore, as well as all of NSA's analytic tools, is limited to only those personnel who require access for their ased tasks … In addition, there are multiple technical, manual and supervisory checks and balances within the system to prevent deliberate misuse from occurring. This article is more than 8 years old. XKeyscore gives 'widest-reaching' collection of online data NSA analysts require no prior authorization for searches Sweeps up s, social media activity and browsing history NSA's XKeyscore program — read one of the presentations.
One presentation claims the XKeyscore program covers 'nearly everything a typical user does on the internet'. Glenn Greenwald. Reuse this content.NSA? Lets chat
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