title

NSA and GCHQ target Tor network that protects anonymity of web users | The NSA files | The Guardian

description

<p>• Top-secret documents detail repeated efforts to crack Tor<br />• Tool is funded by US government and relied on by dissidents and activists<br />• Agencies have failed to break core security of network but have limited success in attacking users' computers</p>

charset

utf-8

viewport

width=device-width,minimum-scale=1,initial-scale=1

theme-color

#052962

og:url

http://www.theguardian.com/world/2013/oct/04/nsa-gchq-attack-tor-network-encryption

og:image:width

1200

og:image

https://i.guim.co.uk/img/static/sys-images/Guardian/Pix/audio/video/2013/10/4/1380893161416/NSA-laptop-010.jpg?width=1200&height=630&quality=85&auto=format&fit=crop&precrop=40:21,offset-x50,offset-y0&overlay-align=bottom%2Cleft&overlay-width=100p&overlay-base64=L2ltZy9zdGF0aWMvb3ZlcmxheXMvdGctYWdlLTIwMTMucG5n&enable=upscale&s=0632679809639200218338702a516c47

og:title

NSA and GCHQ target Tor network that protects anonymity of web users

og:image:height

720

twitter:dnt

on

twitter:app:id:iphone

409128287

twitter:app:name:googleplay

The Guardian

twitter:app:name:ipad

The Guardian

twitter:card

summary_large_image

apple-touch-icon

https://assets.guim.co.uk/static/frontend/icons/homescreen/apple-touch-icon.svg

apple-touch-icon

https://assets.guim.co.uk/static/frontend/icons/homescreen/apple-touch-icon-512.png

apple-touch-icon

https://assets.guim.co.uk/static/frontend/icons/homescreen/apple-touch-icon-360.png

apple-touch-icon

https://assets.guim.co.uk/static/frontend/icons/homescreen/apple-touch-icon-240.png

apple-touch-icon

https://assets.guim.co.uk/static/frontend/icons/homescreen/apple-touch-icon-120.png