10 Tips to Stay Safe on Public Wi-Fi

En español | When you access the Internet at any of the world’s 6 million public Wi-Fi hot spots — at airports, parks, businesses, hotels, wherever — assume that anything you are sending or receiving is up for grabs: your emails, photos, files, passwords, credit card numbers. According to some estimates, up to 95 percent of public hot spots are insecure because their wireless networks do not encrypt users’ Web traffic. Without encryption, which scrambles data so it’s not accessible …