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By Yura Kim 2018.06.16
Cafes are the second workplace for office workers these days.
Or it’s becoming a weekend study room,
When working or studying at a cafe
one of the most needed
That’s WIFI.
*Wi-Fi[Wireless Fidelity]
: Wireless access device (AP: Access Point) installed
within a certain distance using radio waves
A local area network capable of wireless Internet access.
Your usual unlimited data plan
For consumers who do not use
Built in cafes and subways
Free wifi in the desert
It is like an oasis.
Note that
Even if you are using unlimited data
Tethering/Hotspot service
Charges apply from a certain amount.
(There are differences depending on the rate plan.)
However, using free Wi-Fi
Users’ personal information
A lot of things fall to hackers.
Most free wifi
No security settings such as data encryption
Hackers connected to wifi router
User information can be easily stolen.
For this reason, in 2016
Wi-Fi router with weak security
Thousands of devices were hacked,
hack free wifi router
Cases of distributing malware
It keeps happening.
(ⓒ Police Agency)
That is why
When using public free Wi-Fi
Sensitive services such as important financial transactions
You should avoid using it as much as possible.
But even if there is a risk
If you need to use free wifi
safer to use
Please remember 3 ways.
1. Use Public WiFi Secure
In fact, all free Wi-Fi
It’s not a security vulnerability.
Provided by telecommunication companies or government
during free wifi
There is ‘public wifi’ with security.
‘Public Wi-Fi’ in public places
Internet service available free of charge
The three mobile telecommunications companies use their own Wi-Fi
free of charge for customers or
It is built by government direct installation.
This public Wi-Fi
Most have no security settings,
‘Public WiFi Secure’
Wi-Fi in the name is data encrypted
It is relatively safe to use.
*How to use Public WiFi Secure
: In Wi-Fi settings, there is a lock icon
Click ‘Public Wi-Fi Secure’
EAP method is ‘PEAP’
For two-factor authentication, select ‘MSCHAPV2’
ID and password respectively
You can use it by entering ‘wifi’.
(ⓒ provided by the editor)
and sure
Even if it’s not public wifi secure
Wi-Fi provider is a carrier
In the case of government or local government
The provider is clear and reliable.
2. Canceling ‘Automatic Connection’
+ Delete wifi list
And when using public free Wi-Fi
If possible, turn off the automatic connection function
List of previously connected Wi-Fi
We recommend deleting it periodically.
Hackers masquerading as well-known Wi-Fi names
Because it can induce automatic connection.
(ⓒ provided by the editor)
3. Wi-Fi security level inquiry
Finally, the security rating of free Wi-Fi
It is also a way to look up and use it.
such as ‘pill’ or ‘pillak M (mobile app)’
in security solutions
of the free Wi-Fi you want to use.
It provides security level and detailed information.
through this security program.
Security history of the Wi-Fi you are trying to connect to
by simply checking
relatively safe wifi
You can pick and use.
(ⓒ Pillak M)
Using public Wi-Fi for free
It has become the daily life of modern people.
Such as leakage of personal information while trying to use it for free
to avoid further damage
It’s time to pay more attention to security.
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