天下没有白给的Free Wifi！没必要的话不要链接免费网络！
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TechTranscript
00:00 You, can you open the network?
00:02 Lock a group of people in a room
00:03 No mobile phone, no mobile data
00:05 What will they do?
00:06 The organizer has done an experiment for this
00:08 Set up a free wifi in a space
00:10 Find five volunteers
00:11 Let them bring their own computers
00:12 Enter the arranged space
00:14 They are assigned a task
00:15 Must link to the network to submit a questionnaire
00:16 But their mobile phone will be confiscated
00:18 Can't use network data
00:20 How many people do you think will use it?
00:21 This free wifi
00:22 Actually, you know what you think
00:24 Free wifi is not free at all
00:26 You think you get a free chance to go online
00:28 In fact, your data will be acquired by the hacker for free
00:30 What did the hacker get?
00:32 Let Mr. Feng answer for everyone
00:34 When you connect to the hacker's wifi
00:36 What happened?
00:38 After you connect to the hacker's wifi
00:40 As long as you download any information online
00:42 Including any website you visit
00:45 The hacker can see it clearly
00:47 This explains why
00:49 Sometimes their bank accounts or bank passwords
00:51 Will be unconsciously leaked
00:54 It's terrible
00:55 I don't have to press the gold-coated free wifi
00:57 I'm here to tell you a very important secret
01:00 When the wifi on our mobile phone is turned on
01:03 Our mobile phone is actually continuously broadcasting
01:06 The wifi name it has ever connected to
01:09 For example, you have been to a cafe
01:10 Airport
01:11 Have been to some public places
01:12 Also connected to these free wifi
01:14 The hacker just needs to build a fake wifi website
01:17 Build his equipment
01:18 When this device sees you
01:20 Keep asking those who have been to the wifi
01:22 When this device is connected
01:23 Immediately become these fake wifi
01:26 This is when our nightmare begins
01:28 What should I do?
01:29 Everyone knows that free wifi is not really that free
01:32 So when we are in the public place
01:35 We have to remember
01:36 If not necessary
01:38 Turn off our wifi as much as possible
01:40 But another situation is
01:41 If we really need to use wifi
01:43 Then I strongly recommend everyone to have
01:46 Use this VPN to go online
01:48 After connecting to a certain wifi network
01:51 Be sure to turn on your VPN
01:53 Our communication will be encrypted
01:56 So for hackers
01:57 It's not that easy for him to read our data
02:00 So what is the result of the experiment?
02:01 Found that one did nothing
02:03 Let's see why
02:04 Because I don't have data
02:06 So I didn't fill in that form
02:07 But there is free wifi, isn't it?
02:09 Free wifi is very dangerous
02:11 Because there are a lot of precious data in it
02:13 I'm afraid of being hacked
02:14 Good example
02:15 Did you learn?
02:16 the month.
02:17 (whooshing)