Based on analysis of information from more than 31 millions of Wi-Fi hotspots worldwide, Kaspersky Lab experts discovered that one in four (28%) is not protected and poses a direct risk to users' personal data. This means that all traffic carried and transmitted through these networks, including private messages, any passwords or documents among many others, they can easily be intercepted and used by attackers. According to Kaspersky Security Network, the 25% of Wi-Fi networks worldwide have no encryption or password protection of any kind. In other words, information transmitted over these networks is completely vulnerable to external attacks, as they can be read by third parties. also, a 3% of Wi-Fi hotspots uses WEP (Wired Equivalent Privacy) for data encryption. This unreliable protocol can be hacked in minutes using widely used tools, freely available online.