1.0American Civil Liberties UnionAmerican Civil Liberties UnionWhat is SHELLTRUMPET? | American Civil Liberties Unionrich600338<blockquote class="wp-embedded-content" data-secret="haAkB28KSl"><a href="/documents/what-shelltrumpet">What is SHELLTRUMPET?</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="/documents/what-shelltrumpet/embed#?secret=haAkB28KSl" width="600" height="338" title="“What is SHELLTRUMPET?” — American Civil Liberties Union" data-secret="haAkB28KSl" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); /* ]]> */ </script> Internal NSA memo celebrates SHELLTRUMPET's processing of its one trillionth record. Initiated in 2007 as a metadata analyzer, SHELLTRUMPET is used by the NSA for performance monitoring, direct email tip alerting, and TRAFFICTHIEF tipping. The program prcesses two billion communication events per day and will be expanding its reach into additional systems.