Free Wi-Fi. How to stay secure?

20 Dec 2017Admin

 More than half of mobile device owners recognize that they use free public Wi-Fi spots to access the Internet. It’s convenient, free, faster than 4G, but dangerous. Is it possible to stay protected using free Wi-Fi spot? A short answer is “Yes”. A few simple but important steps will reduce the risk of intercepting your emails, passwords, credit card data etc., which are transmitted wirelessly.

 Some public Wi-Fi attacks are so easy to reproduce, that even 7 years old child can do it. Now we reveal the most used:

1. Men in the middle of Wi-Fi attack. Provides for the establishment of the cybercriminal’s own open Wi-Fi spot to intercept the traffic of users that are connected to it;

2. Wi-Fi-sniffing. By using special tools and soft a cybercriminal can intercept internet data, which is transmitted between users and router and decode it to find the information? What he needs.

3. Brute-force. The hacker, by using special software picks up the password to the public Wi-Fi router and by controlling it redirects the traffic on his device to intercept and decrypt.

4. Cracking attack. Is the same as above, but hacker makes the router to give him the password of the administrator.


 To stay secure when using a free Wi-Fi spot, you must perform several sequential steps:


Do not use free Wi-Fi spots at all

 This is the best way to take care of your safety. This way can’t make free Wi-Fi spot safe, but do save your personal information. You may use your own Wi-Fi router or cellphone as a router.

Use the VPN

 Access to the Internet through the VPN provides the protection of your data which is transmitted encrypted through a virtual “tunnel”. Even the interception of encrypted traffic will not allow a criminal to decrypt the data to get your personal information.

Deactivate the function of sharing and ad-hoc network

 In the settings of device turn off the sharing option (ability to share files with others), disable the auto connection to open Wi-Fi spot and disable connection to ad-hoc network.

Log out of your accounts

 Often we stay authorized in our social networking accounts, banking accounts, e-mail account, although we do not use them all the time. Before connecting and disconnecting to an open Wi-Fi spot do a full exit of each account that you have logged in.

Use two-factor authentication

 It is necessary to use two-factor authentication wherever it is provided by service (email, social media, online banking, etc). A criminal will not be able to intercept an additional password that will be sent to your cellphone.

Don’t use automatic connection

 Do not connect to open Wi-Fi networks automatically. Enable the manual selection mode, to be able to choose a legal network. Enable the option “forget network” when you finish your work.

Use only a legal free Wi-Fi spots

 Make sure that the open free Wi-Fi spot to which you plan to connect is set legally and doesn’t have so-called “wild honey” that gives a cybercriminal the opportunity to intercept traffic of careless users. In addition, pay attention to the similar names of open networks (e.g. “ContinentGuest” and “ContinentGuests”). These facts may indicate the presence of a free Wi-Fi network, which is used to intercept personal data. Never use fake open Wi-Fi spots.

Use the secure HTTPS protocol

 When you look for information or watch the news on the Internet pay attention to the protocol that is used to connect to the websites. If the website’s address starts with “https” and green padlock is displayed on the left it means that the connection is secure and the encrypted HTTPS protocol is used. Otherwise, do not use this site for entering passwords or other important information.

Firewall and up-to-date software patches

 Before you start to work in the open public Wi-Fi network, enable the firewall and make sure that your software (OS, browser, firewall, antimalware) is up-to-date.

 None of these methods will protect you fully if you do not use common sense during working on the open Internet via free Wi-Fi spots.

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