WIDESPREAD ADOPTION OF the web encryption scheme HTTPS has added a lot of green padlocks—and corresponding data protection—to the web. Almost all of the popular sites you visit every day likely offer this defense, called Transport Layer Security (TLS), which encrypts data between your browser and the web servers it communicates with to protect your travel plans, passwords, and embarrassing Google searches from prying eyes. But new findings from researchers at Ca’ Foscari University of Venice in Italy and Tu Wien in Austria indicate that a surprising number of encrypted sites still leave these connections exposed.
