A sniffer is software used by administrators to monitor network usage, investigate network problems, investigate abuse and network abuse, identify configuration problems and determine the security status of a network. Sniffer eventually decode the data so that it is readable by words, numbers and computer code
Note that the last part :. "Determining the state of network security." It's a big. Indeed, while the professional good-guy computer security use sniffers to determine the security of a network, the wicked also use to access your data on your device to the router communicate the wireless internet signal.
unsecured, unprotected, unencrypted and sometimes shared wireless Internet via Wi-Fi in your home, office or any Wi-Fi connection to the public (eg in a café, airport or hotel) are vulnerable to sniffers. A sniffer employed by a criminal can be used to spy on everything you communicate wirelessly. Criminals can steal your data, obtain your user names and passwords, and potentially divert your device and your life ...
The type of data that is most vulnerable to sniffing is the one clear. this can include something as simple as the files are copied and pasted or shared from one device to another. All information coming through your browser that does not come from or go to a designated site using encryption HTTPS -The S means secure -is also vulnerable.
on the wireless connections that are not properly protected, such as those public I mentioned earlier, your best line of defense is to use a virtual private network software that protects your identity by ensuring that all web transactions (shopping, filling out forms, downloads) are secured through HTTPS. Hotspot Shield VPN is a good use. It is safe, free to (supported by ads) and available for PC, Mac, iPhone and Android.
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