https://en.wikipedia.org/wiki/XKeyscore
XKeyscore (XKEYSCORE or XKS) is a secret computer system used by the United States National Security Agency (NSA) for searching and analyzing global Internet data, which it collects in real time. The NSA has shared XKeyscore with other intelligence agencies, including the Australian Signals Directorate, Canada's Communications Security Establishment, New Zealand's Government Communications

https://theintercept.com/2015/07/02/look-under-hood-xkeyscore/
Learn how XKEYSCORE collects, processes and queries billions of Internet communications from around the world. Explore the system's architecture, features, vulnerabilities and examples of metadata and content extraction.

https://www.washingtonpost.com/national-security/nsa-surveillance-xkeyscore-privacy/2021/06/29/b2134e7a-d685-11eb-a53a-3b5450fdca7a_story.html
XKeyscore, a program disclosed by Edward Snowden, uses autonomous collection of massive data sets that potentially capture Americans' communications.

https://www.infosecinstitute.com/resources/general-security/xkeyscore-nsas-surveillance-program/
Learn about XKeyscore, a top-secret tool that allows NSA analysts to monitor and search online activities of millions of people worldwide. Find out how XKeyscore works, what data it collects, and what sources it exploits.

https://theintercept.com/2015/07/01/nsas-google-worlds-private-communications/
The Intercept reveals how the NSA's XKEYSCORE program collects and processes vast amounts of Internet traffic from around the world, including emails, chats, web-browsing, social media, and more. Learn how XKEYSCORE works, what it collects, and how it is used by the NSA and its partners.

https://www.nytimes.com/2021/06/29/us/politics/nsa-xkeyscore-privacy.html
The existence of the system, called XKeyscore, came to public light in 2013 as part of the leaks by the former intelligence contractor Edward Snowden. The system enables National Security Agency

https://arstechnica.com/information-technology/2013/08/building-a-panopticon-the-evolution-of-the-nsas-xkeyscore/
XKeyscore is the NSA's "Google for packets" that analyzes and stores network traffic from around the world. Learn how it was developed, how it operates, and how it has changed over the years.

https://www.nbcnews.com/technolog/how-nsas-xkeyscore-program-works-6C10812168
Indeed, one of the slides from a set of XKeyscore training documents shared by the Guardian showed that in a single 30-day period last year, the data included "at least 41 billion total records."

https://www.zdnet.com/article/nsa-xkeyscore-spy-united-nations-target-denial-service-more/
XKeyscore is a wide-reaching system that collects and analyzes data from the internet, such as usernames, passwords, emails, social media, and more. It can also identify vulnerable devices, trace online activities, and listen to phone calls.

https://www.newyorker.com/news/amy-davidson/presenting-xkeyscore-what-the-n-s-a-is-still-hiding
XKeyscore, according to an N.S.A. presentation that the Guardian posted (thirty-two slides, from 2008) can let an analyst see "nearly everything a typical user does on the internet.". That

https://www.pcmag.com/news/nsas-gigantic-surveillance-program-xkeyscore-revealed
Xkeyscore is a system that collects and analyzes huge amounts of data from the internet, including emails, chats, browser histories, and more. It can search and flag information based on various criteria, but it also raises legal and privacy concerns about the NSA's foreign intelligence activities.

https://www.vice.com/en/article/88nmw4/xkeyscore-spy-program-revealed-by-snowden-is-still-a-problem-watchdog-says
According to a 2008 presentation acquired by The Guardian, XKEYSCORE can collect data from all of its global servers, which at the time spanned 150 locations, using a single query. It can collect

https://www.csmonitor.com/USA/2013/0801/What-is-XKeyscore-and-can-it-eavesdrop-on-everyone-everywhere
XKeyscore is apparently a tool the NSA uses to sift through massive amounts of data. Critics say it allows the NSA to dip into people's 'most private thoughts' - a claim key lawmakers reject.

https://www.pcmag.com/news/the-tech-behind-the-nsas-xkeyscore
Learn how the NSA uses Big Data and Data Analytics to collect and analyze massive amounts of information with XKeyscore, a program that may handle 41 billion records. Explore the challenges, controversies, and solutions of this technology in the private and public sectors.

https://theconversation.com/xkeyscore-and-nsa-surveillance-leaks-expert-reaction-16610
XKeyscore is an online surveillance tool run by America's National Security Agency (NSA) that allows analysts to search contents of chats, emails and browsing histories without warrants

https://spyscape.com/article/is-the-xkeyscore-spy-program-revealed-by-snowden-still-a-privacy-problem
When whistleblower Edward Snowden revealed his NSA files in 2013, one sneaky program stood out: XKeyscore, a secret system that spies can use to search and analyze nearly everything you do on the internet in real-time. XKeyscore is still hoovering up your internet searches, passwords, user names, emails, and personal messages a decade later.

https://dcssproject.net/xkeyscore/index.html
XKEYSCORE is a tool that allows analysts to access and query content and metadata collected by other surveillance programmes, such as PRISM and TEMPORA. It can monitor user activities, create rules, trace documents and perform pattern-of-life analysis.

https://fedscoop.com/nsa-legal-analysis-xkeyscore/
The NSA told PCLOB its 2016 memo was based on legal analyses of XKeyscore conducted prior to the system's launch — analyses general counsel did not or could not provide. The agency didn't respond to a request for comment on the number of legal analyses completed or their withholding them from the board, by publication time.

https://www.cnn.com/2013/07/31/tech/web/snowden-leak-xkeyscore/index.html
XKeyscore is the second black mark on the NSA's record in the past few weeks. The Guardian's first story uncovered PRISM, a highly controversial surveillance program that reportedly allows the

https://theweek.com/articles/461546/whats-xkeyscore
XKEYSCORE, as D.B. Grady and I reported in our book, is the worldwide base level database for such metadata. XKEYSCORE is useful because it gets the "front end full take feeds" from the various

https://archive.org/details/nsa-xkeyscore
nsa-xkeyscore Identifier-ark ark:/13960/t9h45cj98 Ocr ABBYY FineReader 11.0 Pages 33 Ppi 600 . plus-circle Add Review. comment. Reviews Reviewer: focker2001 - favorite favorite - January 13, 2021 Subject: Just a few questions & statements. :) N.I.C LOL . Edward Snowden, why are u at the boiler room London while nightmares on wax is doing a set?

https://www.techspot.com/news/61242-weekend-tech-reading-what-xkeyscore-how-much-does.html
XKEYSCORE is fed a constant flow of Internet traffic from fiber optic cables that make up the backbone of the world's communication network, among other sources, for processing. The Intercept

https://ja.wikipedia.org/wiki/XKeyscore
XKeyscore（エックスキースコア）は、世界中の外国人に関するインターネット上のデータを検索・分析するために米国国家安全保障局（NSA）が使用する元極秘コンピュータ・システムである。 このプログラムは、オーストラリアの国防信号局（DSD）やニュージーランドの政府通信保安局（GCSB