Where do sniffers come from?
Hackers use sniffers to steal data, spy on network activity, and collect information on users. Usually, the end goal is to obtain passwords and account information for banking and shopping sites. Typically hackers place sniffers in places that offer unsecured Wi-Fi connections such as those found at coffee shops, hotels, and airports. Sniffers are also used to impersonate other devices on the network in what’s known as a spoofing attack in order to steal sensitive information.