Keep all applications and operating system up to date
This is the most important one. Because some people do not update Windows or Internet Explorer, so there are too many cases of hacking. Make sure Windows, macOS, and iOS are always up-to-date, and any applications that face the Internet, such as Web browsers and e-mail clients, also need to be updated. Such as Windows XP or Internet Explorer 6 to 10, then upgrade to a newer version. If your device is too old to get the latest updates, you will need to buy new equipment now. (Note: Many Android users can not update to the latest version of Android because their device manufacturer or wireless operator does not allow the device to be updated.)
Set your PIN, password, or picture lock on your phone
Your smartphone can log in directly to your email and social media accounts, home Wi-Fi networks, and possibly even online bank accounts. If you do not want other people to pick up your phone to get all the information, then you need to lock the phone’s screen – the six-digit PIN is better than the four-digit PIN, and the alphanumeric password is better than both.
Do not install the “invalid” of the Android application
By installing apps from GooglePlay, or other approved official app stores, this will not allow Android devices to be infected. Applications in the “jailbreak” market are often pirated and/or infected. You need to go into the settings, find security, and make sure that unknown sources are blocked.
Do not jailbreak your iPhone or iPad
Because Apple’s closed ecosystem is very safe, iPhone is rarely infected with malware. So do not run your unauthorized application by jailbreak your iPhone. This is very dangerous. Otherwise, you will face the same harm as Android users.
Avoid open or free Wi-Fi networks
You may try to use an open Wi-Fi network in a café, airport or hotel. This is dangerous! Even if the network has a password, it may be unsafe because it allows anyone on the same network to read your network traffic. On the contrary, if you can afford the cost of the traffic (if you have), or use the virtual private network (VPN) service to encrypt all the Internet communication is also a very good way, even in the free open network is best or not, Still sticking with cellular data is safe.
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