Tags Wi-Fi hotspots Quarter of all Wi-Fi hotspots unsafe: Kaspersky Lab Wednesday, Nov 30, 2016 After analysing more than 31 million Wi-Fi hotspots around the world, Kaspersky Lab has found that every fourth (28 per cent) is unsecured and poses a risk to users'' personal data. Free Wi-Fi hotspots unsafe Saturday, Dec 13, 2014 Free Wi-Fi hotspots in Vietnamese cities and towns are unsafe for users, said Bkav Security, a member company of Bkav Corporation.