Skip to main content
Skip to search
Ideas change everything
WATCH
TED Talks
Browse the library of TED talks and speakers
Playlists
100+ collections of TED Talks, for curious minds
TED Series
Go deeper into fascinating topics with original video series from TED
TED-Ed videos
Watch, share and create lessons with TED-Ed
TEDx Talks
Talks from independently organized local events
DISCOVER
Topics
Explore TED offerings by topic
Podcasts
Explore the TED Audio Collective
Ideas Blog
Our daily coverage of the world of ideas
Newsletters
Inspiration delivered straight to your inbox
ATTEND
Conferences
Take part in our events: TED, TEDGlobal and more
TEDx Events
Find and attend local, independently organized events
TED on Screen
Experience TED from home
TED Courses
Learn from TED speakers who expand on their world-changing ideas
PARTICIPATE
Nominate
Recommend speakers, TED Prize recipients, Fellows and more
Organize a local TEDx Event
Rules and resources to help you plan a local TEDx event
Translate
Bring TED to the non-English speaking world
TED Fellows
Join or support innovators from around the globe
ABOUT
Our Organization
Our mission, history, team, and more
Conferences
TED Conferences, past, present, and future
Programs & Initiatives
Details about TED's world-changing initiatives
Partner with TED
Learn how you can partner with us
TED Blog
Updates from TED and highlights from our global community
SIGN IN
MEMBERSHIP
Type to search
如何用手机防止窃听
2,481,127 views |
克里斯托弗·索伊安 |
TED2015
• March 2015
Read transcript
谁在窃听你的电话呢？推崇隐私的克里斯托弗·索伊安说，在固定电话上，任何人都可能在窃听，因为电话系统默认为政府设置了窃听通道。但是，这样一来外国情报机构或是罪犯也能窃听了。这就是为什么一些科技公司拒绝响应政府将同样的窃听通道植入手机和新的通信系统中的号召。这个演讲介绍了一些科技公司如何努力维持通话和信息的隐私性。
technology
TED Fellows
government
surveillance
encryption
TED is supported by ads and partners
