如何使你的电子邮件真正安全
文章来源:未知 文章作者:enread 发布时间:2017-01-08 08:20 字体: [ ]  进入论坛
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In my Scientific American column this month, I opined that email never really has been a secure communications channel -- and that, in the age of suspected Russian hacking1, Wikileaks, and countless2 other high-profile hacks3, it never will be.
 
But suppose you want to communicate securely. What are your options?
 
Here's a quick look at some of the ways you can carry on encrypted conversations, without worrying that your words could be captured and used against you someday. As you'll soon see, there's no one-click solution that can encrypt all of your correspondence all the way to your colleagues.
 
Gmail. Your outgoing Gmail messages are encrypted -- but they don't stay encrypted unless the recipient4 is reading email using a Google browser5 or Gmail app. And, of course, Google itself freely admits that its software reads all of your email for advertising6 purposes (not its human employees, which you may or may not believe).
Outlook. Some programs, like the paid version of Outlook, offer an encryption feature. But setting it up is messy, and definitely not for the masses. It requires that you and your recipient exchange something called a digital signature, and following these 8 simple steps.
Secure email services. Email providers like Tutanota, Ghostmail, and Protonmail automatically encrypt all the mail you send. The catch -- and you knew there would be one -- is that your recipient must also subscribe7 to that service, or enter a password to open each message you send. (There are free accounts, but they limit the size of your messages and attachments8.) They're fine if your only secure conversations are with one or two people, but you're never going to persuade the whole world to sign up so that they can get your emails.
Chat programs. Another option for those wishing to send secure text correspondence: Don't use email at all. Instead, use a chat program like CryptoCat, ChatSecure, or PQChat. These apps encrypt your messages on both ends and throughout their transmission. Here again, though, they limit your communication to people who also have and use those same apps.


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1 hacking KrIzgm     
n.非法访问计算机系统和数据库的活动
参考例句:
  • The patient with emphysema is hacking all day. 这个肺气肿病人整天不断地干咳。
  • We undertook the task of hacking our way through the jungle. 我们负责在丛林中开路。
2 countless 7vqz9L     
adj.无数的,多得不计其数的
参考例句:
  • In the war countless innocent people lost their lives.在这场战争中无数无辜的人丧失了性命。
  • I've told you countless times.我已经告诉你无数遍了。
3 hacks 7524d17c38ed0b02a3dc699263d3ce94     
黑客
参考例句:
  • But there are hacks who take advantage of people like Teddy. 但有些无赖会占类似泰迪的人的便宜。 来自电影对白
  • I want those two hacks back here, right now. 我要那两个雇工回到这儿,现在就回。 来自互联网
4 recipient QA8zF     
a.接受的,感受性强的 n.接受者,感受者,容器
参考例句:
  • Please check that you have a valid email certificate for each recipient. 请检查是否对每个接收者都有有效的电子邮件证书。
  • Colombia is the biggest U . S aid recipient in Latin America. 哥伦比亚是美国在拉丁美洲最大的援助对象。
5 browser gx7z2M     
n.浏览者
参考例句:
  • View edits in a web browser.在浏览器中看编辑的效果。
  • I think my browser has a list of shareware links.我想在浏览器中会有一系列的共享软件链接。
6 advertising 1zjzi3     
n.广告业;广告活动 a.广告的;广告业务的
参考例句:
  • Can you give me any advice on getting into advertising? 你能指点我如何涉足广告业吗?
  • The advertising campaign is aimed primarily at young people. 这个广告宣传运动主要是针对年轻人的。
7 subscribe 6Hozu     
vi.(to)订阅,订购;同意;vt.捐助,赞助
参考例句:
  • I heartily subscribe to that sentiment.我十分赞同那个观点。
  • The magazine is trying to get more readers to subscribe.该杂志正大力发展新订户。
8 attachments da2fd5324f611f2b1d8b4fef9ae3179e     
n.(用电子邮件发送的)附件( attachment的名词复数 );附着;连接;附属物
参考例句:
  • The vacuum cleaner has four different attachments. 吸尘器有四个不同的附件。
  • It's an electric drill with a range of different attachments. 这是一个带有各种配件的电钻。
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