March 2017
Intermediate to advanced
262 pages
5h 26m
Chinese
Content preview from 物联网设备安全
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熄灯
——
攻击无线灯泡致使持续性停电
｜
39
1.5 If This Then That
If This Then That
（
IFTTT
）是一种服务，这种服务可以让用户创建遵循“（
IF
）如果
满足你设定的条件（
This
），那么（
Then
）触发你指定的操作（
That
）”这种简单逻辑
指令的流程。用户可以创建跨越多个云服务的流程，如
Gmail
、
Dropbox
、
LinkedIn
、
Twitter
，等等。例如，你可以使用
App
建立满足某种条件就会触发的行为，如“每次我
标记
Facebook
上的照片时，会同步将照片上传到我的
Dropbox
账户上。”
IFTTT
用户也可以创建用于照明系统的流程（见图
1-17
），例如，“当我标记了
Facebook
上的照片，请关灯让我知道。”
图 1-17：应用了 IFTTT 的照明系统信道
IFTTT
服务允许用户团体通过多种渠道提供解决方案，包括照明系统的。有了这么多便
捷的解决方案，用户就不必总是担心这些渠道被其他人滥用而对他们的物联网设备造成
影响了。
40
｜
第
1
章
举一个不安全的流程的例子，考虑如图
1-18
所示的情况，它允许用户改变灯泡的颜色以
匹配标记的照片。
图 1-18：改变灯泡颜色以匹配标记照片的 IFTTT 流程
如图
1-19
所示，当攻击者向
Facebook
上传了一张全黑的图片并标记给受害者时，这种 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.